diff --git a/alfa-client/libs/binary-file-shared/src/lib/binary-file.service.spec.ts b/alfa-client/libs/binary-file-shared/src/lib/binary-file.service.spec.ts
index 4d314d740a260b8be5f21e709dca72093452b06f..328960de1f9b9a87f8442595ad8b609f339f9da8 100644
--- a/alfa-client/libs/binary-file-shared/src/lib/binary-file.service.spec.ts
+++ b/alfa-client/libs/binary-file-shared/src/lib/binary-file.service.spec.ts
@@ -288,10 +288,10 @@ describe('BinaryFileService', () => {
       return <HttpErrorResponse>{
         status: 422,
         error: {
-          issues: [
+          invalidParams: [
             {
-              messageCode: validationMessageCode,
-              parameters: [],
+              reason: validationMessageCode,
+              constraintParameters: [],
             },
           ],
         },
diff --git a/alfa-client/libs/binary-file-shared/src/lib/binary-file.service.ts b/alfa-client/libs/binary-file-shared/src/lib/binary-file.service.ts
index bb6592cb76931ff30edca949cc28a864686ecfce..57773cccbfa61d4dab2af4984a88d6d3f9cf7b14 100644
--- a/alfa-client/libs/binary-file-shared/src/lib/binary-file.service.ts
+++ b/alfa-client/libs/binary-file-shared/src/lib/binary-file.service.ts
@@ -29,7 +29,7 @@ import {
   createEmptyStateResource,
   createErrorStateResource,
   createStateResource,
-  getMessageForIssue,
+  getMessageForInvalidParam,
   isNotNil,
   isUnprocessableEntity,
   isValidationFieldFileSizeExceedError,
@@ -90,7 +90,9 @@ export class BinaryFileService {
 
   handleSnackBar(error: HttpErrorResponse, showValidationErrorSnackBar: boolean) {
     if (showValidationErrorSnackBar && isValidationFieldFileSizeExceedError(error.error)) {
-      this.snackbarService.showError(getMessageForIssue(EMPTY_STRING, error.error.issues[0]));
+      this.snackbarService.showError(
+        getMessageForInvalidParam(EMPTY_STRING, error.error.invalidParams[0]),
+      );
     }
   }
 
diff --git a/alfa-client/libs/tech-shared/src/index.ts b/alfa-client/libs/tech-shared/src/index.ts
index 64e34b9ffcb66244bb7687070f685ed6090b4950..6447da0179658e13795f1dbe8bfa8f0df2adeda3 100644
--- a/alfa-client/libs/tech-shared/src/index.ts
+++ b/alfa-client/libs/tech-shared/src/index.ts
@@ -33,6 +33,7 @@ export * from './lib/message-code';
 export * from './lib/ngrx/actions';
 export * from './lib/pipe/convert-api-error-to-error-messages.pipe';
 export * from './lib/pipe/convert-for-data-test.pipe';
+export * from './lib/pipe/convert-problem-detail-to-error-messages.pipe';
 export * from './lib/pipe/convert-to-boolean.pipe';
 export * from './lib/pipe/enum-to-label.pipe';
 export * from './lib/pipe/file-size.pipe';
diff --git a/alfa-client/libs/tech-shared/src/lib/pipe/convert-problem-detail-to-error-messages.pipe.spec.ts b/alfa-client/libs/tech-shared/src/lib/pipe/convert-problem-detail-to-error-messages.pipe.spec.ts
new file mode 100644
index 0000000000000000000000000000000000000000..ffef78f2195217763693fbd09abf727915afac23
--- /dev/null
+++ b/alfa-client/libs/tech-shared/src/lib/pipe/convert-problem-detail-to-error-messages.pipe.spec.ts
@@ -0,0 +1,42 @@
+import { createInvalidParam, createProblemDetail } from '../../../test/error';
+import { InvalidParam, ProblemDetail } from '../tech.model';
+import { ValidationMessageCode } from '../validation/tech.validation.messages';
+import * as TechValidationUtil from '../validation/tech.validation.util';
+import { ConvertProblemDetailToErrorMessagesPipe } from './convert-problem-detail-to-error-messages.pipe';
+
+describe('convertProblemDetailToErrorMessages', () => {
+  const pipe = new ConvertProblemDetailToErrorMessagesPipe();
+
+  it('create an instance', () => {
+    expect(pipe).toBeTruthy();
+  });
+
+  describe('transform', () => {
+    const getMessageForInvalidParam = jest.spyOn(TechValidationUtil, 'getMessageForInvalidParam');
+
+    it('should not call getMessageForInvalidParam', () => {
+      pipe.transform(null);
+
+      expect(getMessageForInvalidParam).not.toHaveBeenCalled();
+    });
+
+    it('should call getMessageForInvalidParam', () => {
+      pipe.transform(createProblemDetail());
+
+      expect(getMessageForInvalidParam).toHaveBeenCalled();
+    });
+
+    it('should return array of error messages', () => {
+      const expectedErrorMessage = 'Bitte  ausfüllen';
+      const invalidParam: InvalidParam = {
+        ...createInvalidParam(),
+        reason: ValidationMessageCode.FIELD_EMPTY,
+      };
+      const problemDetail: ProblemDetail = createProblemDetail([invalidParam]);
+
+      const errorMessages: string[] = pipe.transform(problemDetail);
+
+      expect(errorMessages).toEqual([expectedErrorMessage]);
+    });
+  });
+});
diff --git a/alfa-client/libs/tech-shared/src/lib/pipe/convert-problem-detail-to-error-messages.pipe.ts b/alfa-client/libs/tech-shared/src/lib/pipe/convert-problem-detail-to-error-messages.pipe.ts
new file mode 100644
index 0000000000000000000000000000000000000000..437483a923c7f85353b96a745a2c24e1cc88e0fb
--- /dev/null
+++ b/alfa-client/libs/tech-shared/src/lib/pipe/convert-problem-detail-to-error-messages.pipe.ts
@@ -0,0 +1,17 @@
+import { Pipe, PipeTransform } from '@angular/core';
+import { isNil } from 'lodash-es';
+import { InvalidParam, ProblemDetail } from '../tech.model';
+import { EMPTY_STRING } from '../tech.util';
+import { getMessageForInvalidParam } from '../validation/tech.validation.util';
+
+@Pipe({ name: 'convertProblemDetailToErrorMessages' })
+export class ConvertProblemDetailToErrorMessagesPipe implements PipeTransform {
+  transform(value: ProblemDetail) {
+    if (isNil(value)) {
+      return [];
+    }
+    return value.invalidParams.map((invalidParam: InvalidParam) =>
+      getMessageForInvalidParam(EMPTY_STRING, invalidParam),
+    );
+  }
+}
diff --git a/alfa-client/libs/tech-shared/src/lib/tech-shared.module.ts b/alfa-client/libs/tech-shared/src/lib/tech-shared.module.ts
index 331031b298487fcfa77df7c10041a33cfedec7bb..a91930ffa732c82e0be57db7f18516b24eb393c9 100644
--- a/alfa-client/libs/tech-shared/src/lib/tech-shared.module.ts
+++ b/alfa-client/libs/tech-shared/src/lib/tech-shared.module.ts
@@ -29,6 +29,7 @@ import { HttpXsrfInterceptor } from './interceptor/http-xsrf.interceptor';
 import { XhrInterceptor } from './interceptor/xhr.interceptor';
 import { ConvertApiErrorToErrorMessagesPipe } from './pipe/convert-api-error-to-error-messages.pipe';
 import { ConvertForDataTestPipe } from './pipe/convert-for-data-test.pipe';
+import { ConvertProblemDetailToErrorMessagesPipe } from './pipe/convert-problem-detail-to-error-messages.pipe';
 import { ConvertToBooleanPipe } from './pipe/convert-to-boolean.pipe';
 import { EnumToLabelPipe } from './pipe/enum-to-label.pipe';
 import { FileSizePlainPipe } from './pipe/file-size-plain.pipe';
@@ -69,6 +70,7 @@ import { ToTrafficLightPipe } from './pipe/to-traffic-light.pipe';
     GetUrlPipe,
     ConvertToBooleanPipe,
     ConvertApiErrorToErrorMessagesPipe,
+    ConvertProblemDetailToErrorMessagesPipe,
   ],
   exports: [
     FormatToPrettyDatePipe,
@@ -90,6 +92,7 @@ import { ToTrafficLightPipe } from './pipe/to-traffic-light.pipe';
     GetUrlPipe,
     ConvertToBooleanPipe,
     ConvertApiErrorToErrorMessagesPipe,
+    ConvertProblemDetailToErrorMessagesPipe,
   ],
   providers: [
     {
diff --git a/alfa-client/libs/tech-shared/src/lib/validation/tech.validation.util.spec.ts b/alfa-client/libs/tech-shared/src/lib/validation/tech.validation.util.spec.ts
index e84d1d813df15f207b77c4965a0887b1baf5c1d7..140ac187955823972d474bcd90c568133b99bde7 100644
--- a/alfa-client/libs/tech-shared/src/lib/validation/tech.validation.util.spec.ts
+++ b/alfa-client/libs/tech-shared/src/lib/validation/tech.validation.util.spec.ts
@@ -28,14 +28,12 @@ import {
   UntypedFormControl,
   UntypedFormGroup,
 } from '@angular/forms';
-import { faker } from '@faker-js/faker';
 import { createInvalidParam, createIssue } from '../../../test/error';
 import { InvalidParam, Issue } from '../tech.model';
 import {
   getControlForInvalidParam,
   getControlForIssue,
   getFieldPath,
-  getMessageForInvalidParam,
   getMessageForIssue,
   setInvalidParamValidationError,
   setIssueValidationError,
@@ -152,68 +150,92 @@ describe('ValidationUtils', () => {
     });
   });
 
-  describe('invalid param', () => {
-    const formPrefixes: string[] = ['', 'somePrefix'];
-    const fieldNames: string[] = ['baseField1', 'baseField2', 'subGroup.subGroupField1'];
-    const prefixNameCombinations: string[][] = formPrefixes
-      .flatMap((prefix) => fieldNames.map((name) => [prefix, name]))
-      .filter((el) => existingPrefixAndFieldCombination(el[0], el[1]));
-
-    const fieldLabel: string = faker.lorem.word();
-
-    describe.each(prefixNameCombinations)(
-      'with prefix "%s" and fieldName "%s"',
-      (prefix, fieldName) => {
-        let invalidParam: InvalidParam;
-
-        beforeEach(() => {
-          form.reset();
-          invalidParam = {
-            ...createInvalidParam(),
-            name: prefix.length ? `${prefix}.${fieldName}` : fieldName,
-          };
-        });
-
-        describe('get message for invalid param', () => {
-          it('should return', () => {
-            const msg: string = getMessageForInvalidParam(fieldLabel, invalidParam);
-
-            expect(msg).toEqual(`Bitte ${fieldLabel} ausfüllen`);
-          });
-        });
-
-        describe('get control for invalid param', () => {
-          it('should find', () => {
-            const control: AbstractControl = getControlForInvalidParam(form, invalidParam, prefix);
-
-            expect(control).toBeTruthy();
-          });
-        });
-
-        describe('set invalid param validation error', () => {
-          it('should assign invalidParam to form control error without prefix', () => {
-            setInvalidParamValidationError(form, invalidParam, prefix);
-
-            const result: InvalidParam = form.getError(invalidParam.reason, fieldName);
-
-            expect(result).toBe(invalidParam);
-          });
-
-          it('should mark form as touched', () => {
-            setInvalidParamValidationError(form, invalidParam, prefix);
-
-            expect(form.touched).toBeTruthy();
-          });
-        });
-      },
-    );
+  describe('set invalidParam validation error', () => {
+    describe('get control for invalidParam', () => {
+      it('should return base field control', () => {
+        const invalidParam: InvalidParam = {
+          ...createInvalidParam(),
+          name: 'class.resource.baseField1',
+        };
+
+        const control: AbstractControl = getControlForInvalidParam(form, invalidParam);
+
+        expect(control).toBe(baseField1Control);
+      });
+
+      it('should return sub group field', () => {
+        const invalidParam: InvalidParam = {
+          ...createInvalidParam(),
+          name: 'class.resource.subGroup.subGroupField1',
+        };
+
+        const control: AbstractControl = getControlForInvalidParam(form, invalidParam, 'resource');
+
+        expect(control).toBe(subGroupFieldControl);
+      });
+
+      it('should ignore path prefix', () => {
+        const invalidParam: InvalidParam = {
+          ...createInvalidParam(),
+          name: 'class.resource.baseField1',
+        };
+
+        const control: AbstractControl = getControlForInvalidParam(form, invalidParam, 'resource');
+
+        expect(control).toBe(baseField1Control);
+      });
+    });
+
+    describe('in base field', () => {
+      const invalidParam: InvalidParam = {
+        ...createInvalidParam(),
+        name: 'class.resource.baseField1',
+      };
+
+      it('should set error in control', () => {
+        setInvalidParamValidationError(form, invalidParam);
+
+        expect(baseField1Control.errors).not.toBeNull();
+      });
+
+      it('should set message code in control', () => {
+        setInvalidParamValidationError(form, invalidParam);
+
+        expect(baseField1Control.hasError(invalidParam.reason)).toBe(true);
+      });
+
+      it('should set control touched', () => {
+        setInvalidParamValidationError(form, invalidParam);
+
+        expect(baseField1Control.touched).toBe(true);
+      });
+
+      it('should not set error in other control', () => {
+        setInvalidParamValidationError(form, invalidParam);
+
+        expect(baseField2Control.errors).toBeNull();
+      });
+    });
+
+    describe('in subGroup Field', () => {
+      const invalidParam: InvalidParam = {
+        ...createInvalidParam(),
+        name: 'class.resource.subGroup.subGroupField1',
+      };
+
+      it('should set error in control', () => {
+        setInvalidParamValidationError(form, invalidParam, 'resource');
+
+        expect(subGroupFieldControl.errors).not.toBeNull();
+      });
+    });
   });
 
   describe('getFieldPath', () => {
     const resource: string = 'resource';
     const backendClassName: string = 'class';
 
-    it('should return field path ', () => {
+    it('should return field path', () => {
       const fieldPath: string = 'field1';
       const fullPath: string = `${backendClassName}.${resource}.${fieldPath}`;
 
@@ -230,9 +252,22 @@ describe('ValidationUtils', () => {
 
       expect(result).toBe(fieldPath);
     });
+
+    it('should return field from full path when resource is undefined', () => {
+      const fieldPath: string = 'field1';
+      const fullPath: string = `${backendClassName}.${resource}.${fieldPath}`;
+
+      const result: string = getFieldPath(fullPath, undefined);
+
+      expect(result).toBe(fieldPath);
+    });
+
+    it('should return field from field when resource is undefined', () => {
+      const fieldPath: string = 'field1';
+
+      const result: string = getFieldPath(fieldPath, undefined);
+
+      expect(result).toBe(fieldPath);
+    });
   });
 });
-
-function existingPrefixAndFieldCombination(prefix: string, field: string): boolean {
-  return !(prefix === '' && field === 'subGroup.subGroupField1');
-}
diff --git a/alfa-client/libs/tech-shared/src/lib/validation/tech.validation.util.ts b/alfa-client/libs/tech-shared/src/lib/validation/tech.validation.util.ts
index 9a76e4b6f54deb9a0cef10a26406333283565690..4483d47bdef3f9be7afb00ad9a8c86f6c270be01 100644
--- a/alfa-client/libs/tech-shared/src/lib/validation/tech.validation.util.ts
+++ b/alfa-client/libs/tech-shared/src/lib/validation/tech.validation.util.ts
@@ -22,8 +22,8 @@
  * unter der Lizenz sind dem Lizenztext zu entnehmen.
  */
 import { AbstractControl, UntypedFormGroup } from '@angular/forms';
-import { isNil } from 'lodash-es';
-import { ApiError, InvalidParam, Issue, IssueParam } from '../tech.model';
+import { isEmpty, isNil } from 'lodash-es';
+import { ApiError, InvalidParam, Issue, IssueParam, ProblemDetail } from '../tech.model';
 import { replacePlaceholder } from '../tech.util';
 import { VALIDATION_MESSAGES, ValidationMessageCode } from './tech.validation.messages';
 
@@ -73,7 +73,11 @@ export function getMessageForIssue(label: string, issue: Issue): string {
 }
 
 export function isValidationFieldFileSizeExceedError(error: any) {
-  return getMessageCode(error) === ValidationMessageCode.FIELD_FILE_SIZE_EXCEEDED;
+  return getMessageReason(error) === ValidationMessageCode.FIELD_FILE_SIZE_EXCEEDED;
+}
+
+export function getMessageReason(problemDetail: ProblemDetail): string {
+  return problemDetail.invalidParams[0].reason ?? null;
 }
 
 export function getMessageCode(apiError: ApiError): string {
@@ -115,7 +119,10 @@ export function getMessageForInvalidParam(label: string, invalidParam: InvalidPa
 }
 
 export function getFieldPath(name: string, pathPrefix: string): string {
-  pathPrefix = `${pathPrefix}.`;
-  const indexField = name.lastIndexOf(pathPrefix) + pathPrefix.length;
-  return name.slice(indexField);
+  if (isEmpty(pathPrefix)) {
+    return name.split('.').pop();
+  }
+
+  const indexOfField = name.lastIndexOf(pathPrefix) + pathPrefix.length + 1;
+  return name.slice(indexOfField);
 }
diff --git a/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden-result/vorgang-detail-bescheiden-result-attachments/vorgang-detail-bescheiden-result-attachments.component.html b/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden-result/vorgang-detail-bescheiden-result-attachments/vorgang-detail-bescheiden-result-attachments.component.html
index ff4e542e0d9181e9ee7bc98b468e62b2a1d23482..78e9fba0ee241ee0b39e7a9e4d771e48cb1b84fd 100644
--- a/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden-result/vorgang-detail-bescheiden-result-attachments/vorgang-detail-bescheiden-result-attachments.component.html
+++ b/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden-result/vorgang-detail-bescheiden-result-attachments/vorgang-detail-bescheiden-result-attachments.component.html
@@ -22,7 +22,7 @@
       *ngIf="uploadFileInProgress.loading || uploadFileInProgress.error"
       [loadingCaption]="uploadFileInProgress.fileName"
       errorCaption="Fehler beim Hochladen"
-      [errorMessages]="uploadFileInProgress.error | convertApiErrorToErrorMessages"
+      [errorMessages]="uploadFileInProgress.error | convertProblemDetailToErrorMessages"
       description="Anhang wird hochgeladen"
       [isLoading]="uploadFileInProgress.loading"
     ></ods-attachment>
diff --git a/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden-result/vorgang-detail-bescheiden-result-attachments/vorgang-detail-bescheiden-result-attachments.component.spec.ts b/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden-result/vorgang-detail-bescheiden-result-attachments/vorgang-detail-bescheiden-result-attachments.component.spec.ts
index 63758c537759f45fbe750b6c286b6b2e5778864d..caed9958a4f9dc70ae170976ae44c01c77e8e235 100644
--- a/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden-result/vorgang-detail-bescheiden-result-attachments/vorgang-detail-bescheiden-result-attachments.component.spec.ts
+++ b/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden-result/vorgang-detail-bescheiden-result-attachments/vorgang-detail-bescheiden-result-attachments.component.spec.ts
@@ -2,7 +2,6 @@ import { BescheidService } from '@alfa-client/bescheid-shared';
 import { BinaryFile2ContainerComponent } from '@alfa-client/binary-file';
 import { BinaryFileResource } from '@alfa-client/binary-file-shared';
 import {
-  ConvertApiErrorToErrorMessagesPipe,
   convertForDataTest,
   ConvertForDataTestPipe,
   createErrorStateResource,
@@ -15,6 +14,7 @@ import { OzgcloudSvgIconComponent, SpinnerComponent } from '@alfa-client/ui';
 import { ComponentFixture, TestBed } from '@angular/core/testing';
 import { MatIcon } from '@angular/material/icon';
 import { AttachmentComponent, AttachmentWrapperComponent, SpinnerIconComponent } from '@ods/system';
+import { ConvertProblemDetailToErrorMessagesPipe } from 'libs/tech-shared/src/lib/pipe/convert-problem-detail-to-error-messages.pipe';
 import { MockComponent, MockPipe } from 'ng-mocks';
 import { BehaviorSubject, EMPTY, Observable, of, Subscription } from 'rxjs';
 import { createUploadFileInProgress } from '../../../../../../../bescheid-shared/src/test/bescheid';
@@ -51,7 +51,7 @@ describe('VorgangDetailBescheidenResultAttachmentsComponent', () => {
         ConvertForDataTestPipe,
         MatIcon,
         MockPipe(FileSizePipe),
-        MockPipe(ConvertApiErrorToErrorMessagesPipe),
+        MockPipe(ConvertProblemDetailToErrorMessagesPipe),
         MockComponent(OzgcloudSvgIconComponent),
         MockComponent(SpinnerComponent),
         MockComponent(AttachmentWrapperComponent),
diff --git a/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden-result/vorgang-detail-bescheiden-result-dokument/vorgang-detail-bescheiden-result-dokument.component.html b/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden-result/vorgang-detail-bescheiden-result-dokument/vorgang-detail-bescheiden-result-dokument.component.html
index bb762af88d7b449d222804be6eccd2be60690f5e..d94edab530d6fb8fcdce754bee1d5083f0e7e6b7 100644
--- a/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden-result/vorgang-detail-bescheiden-result-dokument/vorgang-detail-bescheiden-result-dokument.component.html
+++ b/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden-result/vorgang-detail-bescheiden-result-dokument/vorgang-detail-bescheiden-result-dokument.component.html
@@ -27,7 +27,7 @@
       'upload-bescheid-document-error-' + !!uploadBescheidDocumentInProgress.error
     "
     [isLoading]="uploadBescheidDocumentInProgress.loading"
-    [errorMessages]="uploadBescheidDocumentInProgress.error | convertApiErrorToErrorMessages"
+    [errorMessages]="uploadBescheidDocumentInProgress.error | convertProblemDetailToErrorMessages"
     description="Bescheiddokument wird hochgeladen"
   ></ods-attachment>
   <ods-attachment
diff --git a/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden-result/vorgang-detail-bescheiden-result-dokument/vorgang-detail-bescheiden-result-dokument.component.spec.ts b/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden-result/vorgang-detail-bescheiden-result-dokument/vorgang-detail-bescheiden-result-dokument.component.spec.ts
index c61b90e368bb525ef644dfd2e95d156c06338d22..7dceb5ce5ba5e75c88ddb80fdd529a89b3e5ed41 100644
--- a/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden-result/vorgang-detail-bescheiden-result-dokument/vorgang-detail-bescheiden-result-dokument.component.spec.ts
+++ b/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden-result/vorgang-detail-bescheiden-result-dokument/vorgang-detail-bescheiden-result-dokument.component.spec.ts
@@ -2,7 +2,6 @@ import { BescheidLinkRel, BescheidResource, BescheidService } from '@alfa-client
 import { BinaryFile2ContainerComponent } from '@alfa-client/binary-file';
 import { CommandResource } from '@alfa-client/command-shared';
 import {
-  ConvertApiErrorToErrorMessagesPipe,
   StateResource,
   createEmptyStateResource,
   createStateResource,
@@ -13,6 +12,7 @@ import { getUrl } from '@ngxp/rest';
 import { AttachmentComponent, AttachmentWrapperComponent } from '@ods/system';
 import { createBescheidResource } from 'libs/bescheid-shared/src/test/bescheid';
 import { createBinaryFileResource } from 'libs/binary-file-shared/test/binary-file';
+import { ConvertProblemDetailToErrorMessagesPipe } from 'libs/tech-shared/src/lib/pipe/convert-problem-detail-to-error-messages.pipe';
 import { getDataTestIdOf } from 'libs/tech-shared/test/data-test';
 import { createApiError } from 'libs/tech-shared/test/error';
 import { MockComponent, MockPipe } from 'ng-mocks';
@@ -48,7 +48,7 @@ describe('VorgangDetailBescheidenResultDokumentComponent', () => {
         MockComponent(BinaryFile2ContainerComponent),
         MockComponent(AttachmentComponent),
         MockComponent(AttachmentWrapperComponent),
-        MockPipe(ConvertApiErrorToErrorMessagesPipe),
+        MockPipe(ConvertProblemDetailToErrorMessagesPipe),
       ],
       providers: [
         {