diff --git a/token-checker-server/src/main/java/de/ozgcloud/token/TokenCheckGrpcService.java b/token-checker-server/src/main/java/de/ozgcloud/token/TokenCheckGrpcService.java
index 7027ae1cbbbbd4e3ec5f0ca52e4da574f305e90a..bfc048400caf019595943e0a24cc1da8ca5376f9 100644
--- a/token-checker-server/src/main/java/de/ozgcloud/token/TokenCheckGrpcService.java
+++ b/token-checker-server/src/main/java/de/ozgcloud/token/TokenCheckGrpcService.java
@@ -32,7 +32,7 @@ import net.devh.boot.grpc.server.service.GrpcService;
 public class TokenCheckGrpcService extends TokenCheckServiceGrpc.TokenCheckServiceImplBase {
 
 	private final SamlTokenService samlTokenService;
-	private final CheckTokenResultMapper tokenCheckMapper;
+	private final TokenValidationResultMapper tokenCheckMapper;
 
 	@Override
 	public void checkToken(GrpcCheckTokenRequest request, StreamObserver<GrpcCheckTokenResponse> responseStreamObserver) {
@@ -54,7 +54,7 @@ public class TokenCheckGrpcService extends TokenCheckServiceGrpc.TokenCheckServi
 	GrpcCheckTokenResponse buildInvalidCheckTokenResponse(TokenValidationResult result) {
 		return GrpcCheckTokenResponse.newBuilder()
 				.setTokenValid(false)
-				.setCheckError(tokenCheckMapper.toCheckError(result))
+				.setCheckErrors(tokenCheckMapper.toCheckErrors(result))
 				.build();
 	}
 }
diff --git a/token-checker-server/src/main/java/de/ozgcloud/token/CheckTokenResultMapper.java b/token-checker-server/src/main/java/de/ozgcloud/token/TokenValidationResultMapper.java
similarity index 59%
rename from token-checker-server/src/main/java/de/ozgcloud/token/CheckTokenResultMapper.java
rename to token-checker-server/src/main/java/de/ozgcloud/token/TokenValidationResultMapper.java
index c842f44cf79d6341542faf0d283f6d656cbe1b3e..8fcc946550056bcc08d1f2d7b1075da4c4630ff2 100644
--- a/token-checker-server/src/main/java/de/ozgcloud/token/CheckTokenResultMapper.java
+++ b/token-checker-server/src/main/java/de/ozgcloud/token/TokenValidationResultMapper.java
@@ -23,10 +23,17 @@ package de.ozgcloud.token;
 import org.mapstruct.CollectionMappingStrategy;
 import org.mapstruct.Mapper;
 import org.mapstruct.Mapping;
+import org.mapstruct.NullValueCheckStrategy;
+import org.mapstruct.NullValueMappingStrategy;
+import org.mapstruct.NullValuePropertyMappingStrategy;
 import org.mapstruct.ReportingPolicy;
 
-@Mapper(unmappedTargetPolicy = ReportingPolicy.WARN, collectionMappingStrategy = CollectionMappingStrategy.ADDER_PREFERRED)
-interface CheckTokenResultMapper {
+import de.ozgcloud.token.common.errorhandling.ValidationError;
+
+@Mapper(unmappedTargetPolicy = ReportingPolicy.WARN, collectionMappingStrategy = CollectionMappingStrategy.ADDER_PREFERRED, //
+		nullValueCheckStrategy = NullValueCheckStrategy.ALWAYS, nullValuePropertyMappingStrategy = NullValuePropertyMappingStrategy.IGNORE,
+		nullValueMappingStrategy = NullValueMappingStrategy.RETURN_DEFAULT)
+interface TokenValidationResultMapper {
 
 	@Mapping(target = "unknownFields", ignore = true)
 	@Mapping(target = "trustLevelBytes", ignore = true)
@@ -40,9 +47,24 @@ interface CheckTokenResultMapper {
 	@Mapping(target = "clearOneof", ignore = true)
 	@Mapping(target = "clearField", ignore = true)
 	@Mapping(target = "allFields", ignore = true)
-	@Mapping(target = "otherFieldsList", source = "attributes")
+	@Mapping(target = "postfachId", source = "attributes.postfachId")
+	@Mapping(target = "trustLevel", source = "attributes.trustLevel")
+	@Mapping(target = "otherFieldsList", source = "attributes.otherAttributes")
 	GrpcTokenAttributes toTokenAttributes(TokenValidationResult validationResult);
 
+	@Mapping(target = "unknownFields", ignore = true)
+	@Mapping(target = "removeCheckError", ignore = true)
+	@Mapping(target = "mergeUnknownFields", ignore = true)
+	@Mapping(target = "mergeFrom", ignore = true)
+	@Mapping(target = "defaultInstanceForType", ignore = true)
+	@Mapping(target = "clearOneof", ignore = true)
+	@Mapping(target = "clearField", ignore = true)
+	@Mapping(target = "checkErrorOrBuilderList", ignore = true)
+	@Mapping(target = "checkErrorBuilderList", ignore = true)
+	@Mapping(target = "allFields", ignore = true)
+	@Mapping(target = "checkErrorList", source = "validationErrors")
+	GrpcCheckErrors toCheckErrors(TokenValidationResult validationResult);
+
 	@Mapping(target = "unknownFields", ignore = true)
 	@Mapping(target = "messageBytes", ignore = true)
 	@Mapping(target = "mergeUnknownFields", ignore = true)
@@ -51,6 +73,5 @@ interface CheckTokenResultMapper {
 	@Mapping(target = "clearOneof", ignore = true)
 	@Mapping(target = "clearField", ignore = true)
 	@Mapping(target = "allFields", ignore = true)
-	@Mapping(target = "message", source = "errorMesssage")
-	GrpcCheckError toCheckError(TokenValidationResult validationResult);
+	GrpcCheckError toCheckError(ValidationError validationError);
 }
diff --git a/token-checker-server/src/test/java/de/ozgcloud/token/CheckTokenResultMapperTest.java b/token-checker-server/src/test/java/de/ozgcloud/token/CheckTokenResultMapperTest.java
deleted file mode 100644
index eccb9b50e9f42ff90b575ec4fe30d7839659a188..0000000000000000000000000000000000000000
--- a/token-checker-server/src/test/java/de/ozgcloud/token/CheckTokenResultMapperTest.java
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * Copyright (c) 2024.
- * Lizenziert unter der EUPL, Version 1.2 oder - sobald
- * diese von der Europäischen Kommission genehmigt wurden -
- * Folgeversionen der EUPL ("Lizenz");
- * Sie dürfen dieses Werk ausschließlich gemäß
- * dieser Lizenz nutzen.
- * Eine Kopie der Lizenz finden Sie hier:
- *
- * https://joinup.ec.europa.eu/collection/eupl/eupl-text-eupl-12
- *
- * Sofern nicht durch anwendbare Rechtsvorschriften
- * gefordert oder in schriftlicher Form vereinbart, wird
- * die unter der Lizenz verbreitete Software "so wie sie
- * ist", OHNE JEGLICHE GEWÄHRLEISTUNG ODER BEDINGUNGEN -
- * ausdrücklich oder stillschweigend - verbreitet.
- * Die sprachspezifischen Genehmigungen und Beschränkungen
- * unter der Lizenz sind dem Lizenztext zu entnehmen.
- */
-
-package de.ozgcloud.token;
-
-import static org.assertj.core.api.Assertions.*;
-
-import org.junit.jupiter.api.Nested;
-import org.junit.jupiter.api.Test;
-import org.mapstruct.factory.Mappers;
-
-class CheckTokenResultMapperTest {
-
-	private final CheckTokenResultMapper mapper = Mappers.getMapper(CheckTokenResultMapper.class);
-
-	@Nested
-	class TestToTokenAttributes {
-
-		@Test
-		void shouldMapPostfachHandle() {
-			var result = toTokenCheckResult();
-
-			assertThat(result.getPostfachId()).isEqualTo(CheckTokenResultTestFactory.POSTFACH_ID);
-		}
-
-		@Test
-		void shouldMapTrustLevel() {
-			var result = toTokenCheckResult();
-
-			assertThat(result.getTrustLevel()).isEqualTo(CheckTokenResultTestFactory.TRUST_LEVEL);
-		}
-
-		@Test
-		void shouldMapOtherFields() {
-			var result = toTokenCheckResult();
-
-			assertThat(result.getOtherFieldsList()).containsExactly(GrpcTokenCheckResultTestFactory.TOKEN_ATTRIBUTE);
-		}
-
-		private GrpcTokenAttributes toTokenCheckResult() {
-			return mapper.toTokenAttributes(CheckTokenResultTestFactory.createValid());
-		}
-	}
-
-	@Nested
-	class TestToCheckError {
-
-		@Test
-		void shouldMapErrorMessage() {
-			var result = toCheckError();
-
-			assertThat(result.getMessage()).isEqualTo(CheckTokenResultTestFactory.ERROR_MESSAGE);
-		}
-
-		private GrpcCheckError toCheckError() {
-			return mapper.toCheckError(CheckTokenResultTestFactory.createInvalid());
-		}
-	}
-}
\ No newline at end of file
diff --git a/token-checker-server/src/test/java/de/ozgcloud/token/GrpcCheckErrorTestFactory.java b/token-checker-server/src/test/java/de/ozgcloud/token/GrpcCheckErrorTestFactory.java
index 99db208a6f616d148ead1be17c9fd4dbc10979b1..58e1a2a69a08fe050948e8e32d6f4ebdc1552a13 100644
--- a/token-checker-server/src/test/java/de/ozgcloud/token/GrpcCheckErrorTestFactory.java
+++ b/token-checker-server/src/test/java/de/ozgcloud/token/GrpcCheckErrorTestFactory.java
@@ -1,10 +1,11 @@
 package de.ozgcloud.token;
 
 import de.ozgcloud.token.GrpcCheckError.Builder;
+import de.ozgcloud.token.common.errorHandler.ValidationErrorTestFactory;
 
 public class GrpcCheckErrorTestFactory {
 
-	public static final String ERROR_MESSAGE = CheckTokenResultTestFactory.ERROR_MESSAGE;
+	public static final String ERROR_MESSAGE = ValidationErrorTestFactory.ERROR_MESSAGE;
 
 	public static GrpcCheckError create() {
 		return createBuilder().build();
diff --git a/token-checker-server/src/test/java/de/ozgcloud/token/GrpcCheckErrorsTestFactory.java b/token-checker-server/src/test/java/de/ozgcloud/token/GrpcCheckErrorsTestFactory.java
new file mode 100644
index 0000000000000000000000000000000000000000..b04386bc696719c0669b73f526c61b4f10bec675
--- /dev/null
+++ b/token-checker-server/src/test/java/de/ozgcloud/token/GrpcCheckErrorsTestFactory.java
@@ -0,0 +1,17 @@
+package de.ozgcloud.token;
+
+import de.ozgcloud.token.GrpcCheckErrors.Builder;
+
+public class GrpcCheckErrorsTestFactory {
+
+	public static final GrpcCheckError CHECK_ERROR = GrpcCheckErrorTestFactory.create();
+
+	public static GrpcCheckErrors create() {
+		return createBuilder().build();
+	}
+
+	public static Builder createBuilder() {
+		return GrpcCheckErrors.newBuilder().addCheckError(CHECK_ERROR);
+	}
+
+}
diff --git a/token-checker-server/src/test/java/de/ozgcloud/token/GrpcCheckTokenRequestTestFactory.java b/token-checker-server/src/test/java/de/ozgcloud/token/GrpcCheckTokenRequestTestFactory.java
index 7aec9a784fa50cdc3af715b28f2c0f33cac8955c..5395cc3f2510221c82fda518652884e400e5d785 100644
--- a/token-checker-server/src/test/java/de/ozgcloud/token/GrpcCheckTokenRequestTestFactory.java
+++ b/token-checker-server/src/test/java/de/ozgcloud/token/GrpcCheckTokenRequestTestFactory.java
@@ -21,11 +21,9 @@
 package de.ozgcloud.token;
 
 import de.ozgcloud.common.test.TestUtils;
-import lombok.AccessLevel;
-import lombok.NoArgsConstructor;
 
-@NoArgsConstructor(access = AccessLevel.PRIVATE)
-class GrpcCheckTokenRequestTestFactory {
+public class GrpcCheckTokenRequestTestFactory {
+
 	static final String TOKEN = TestUtils.loadTextFile("SamlResponseMuk.xml");
 
 	static GrpcCheckTokenRequest create() {
diff --git a/token-checker-server/src/test/java/de/ozgcloud/token/GrpcCheckTokenResponseTestFactory.java b/token-checker-server/src/test/java/de/ozgcloud/token/GrpcCheckTokenResponseTestFactory.java
index aadcc22f9b0d4afa249343b518e883d171e10764..c358b23705a819ab6f89495f8f3a43c570732a50 100644
--- a/token-checker-server/src/test/java/de/ozgcloud/token/GrpcCheckTokenResponseTestFactory.java
+++ b/token-checker-server/src/test/java/de/ozgcloud/token/GrpcCheckTokenResponseTestFactory.java
@@ -20,13 +20,10 @@
 
 package de.ozgcloud.token;
 
-import lombok.AccessLevel;
-import lombok.NoArgsConstructor;
-
-@NoArgsConstructor(access = AccessLevel.PRIVATE)
 class GrpcCheckTokenResponseTestFactory {
 
-	public static final GrpcTokenAttributes CHECK_TOKEN_RESULT = GrpcTokenCheckResultTestFactory.create();
+	public static final GrpcTokenAttributes GRPC_TOKEN_ATTRIBUTE = GrpcTokenAttributesTestFactory.create();
+	public static final GrpcCheckErrors GRPC_CHECK_ERRORS = GrpcCheckErrorsTestFactory.create();
 
 	public static GrpcCheckTokenResponse createValid() {
 		return createValidBuilder().build();
@@ -35,7 +32,7 @@ class GrpcCheckTokenResponseTestFactory {
 	public static GrpcCheckTokenResponse.Builder createValidBuilder() {
 		return GrpcCheckTokenResponse.newBuilder()
 				.setTokenValid(true)
-				.setTokenAttributes(CHECK_TOKEN_RESULT);
+				.setTokenAttributes(GRPC_TOKEN_ATTRIBUTE);
 	}
 
 	public static GrpcCheckTokenResponse createInvalid() {
@@ -45,6 +42,6 @@ class GrpcCheckTokenResponseTestFactory {
 	public static GrpcCheckTokenResponse.Builder createInvalidBuilder() {
 		return GrpcCheckTokenResponse.newBuilder()
 				.setTokenValid(false)
-				.setCheckError(GrpcCheckErrorTestFactory.create());
+				.setCheckErrors(GRPC_CHECK_ERRORS);
 	}
 }
diff --git a/token-checker-server/src/test/java/de/ozgcloud/token/GrpcOtherFieldsTestFactory.java b/token-checker-server/src/test/java/de/ozgcloud/token/GrpcOtherFieldsTestFactory.java
index 6423feafe8a76897de97bf598f0176769c34b963..e9dcd4587a6c23cf37b04c5f1a0d6b2a9b09a383 100644
--- a/token-checker-server/src/test/java/de/ozgcloud/token/GrpcOtherFieldsTestFactory.java
+++ b/token-checker-server/src/test/java/de/ozgcloud/token/GrpcOtherFieldsTestFactory.java
@@ -2,8 +2,8 @@ package de.ozgcloud.token;
 
 public class GrpcOtherFieldsTestFactory {
 
-	private static final String VALUE = TokenAttributeTestFactory.VALUE;
-	private static final String NAME = TokenAttributeTestFactory.NAME;
+	public static final String VALUE = TokenAttributeTestFactory.VALUE;
+	public static final String NAME = TokenAttributeTestFactory.NAME;
 
 	public static GrpcOtherField create() {
 		return createBuilder().build();
diff --git a/token-checker-server/src/test/java/de/ozgcloud/token/GrpcTokenCheckResultTestFactory.java b/token-checker-server/src/test/java/de/ozgcloud/token/GrpcTokenAttributesTestFactory.java
similarity index 78%
rename from token-checker-server/src/test/java/de/ozgcloud/token/GrpcTokenCheckResultTestFactory.java
rename to token-checker-server/src/test/java/de/ozgcloud/token/GrpcTokenAttributesTestFactory.java
index b4c8bd8c3bf2573955aa07b48aeb545a6a5464d9..d967e6b2e1503b09964d09a712a960b69d050f87 100644
--- a/token-checker-server/src/test/java/de/ozgcloud/token/GrpcTokenCheckResultTestFactory.java
+++ b/token-checker-server/src/test/java/de/ozgcloud/token/GrpcTokenAttributesTestFactory.java
@@ -20,14 +20,10 @@
 
 package de.ozgcloud.token;
 
-import lombok.AccessLevel;
-import lombok.NoArgsConstructor;
+class GrpcTokenAttributesTestFactory {
 
-@NoArgsConstructor(access = AccessLevel.PRIVATE)
-class GrpcTokenCheckResultTestFactory {
-
-	public static final String POSTFACH_ID = CheckTokenResultTestFactory.POSTFACH_ID;
-	public static final String TRUST_LEVEL = CheckTokenResultTestFactory.TRUST_LEVEL;
+	public static final String POSTFACH_ID = TokenAttributesTestFactory.POSTFACH_ID;
+	public static final String TRUST_LEVEL = TokenAttributesTestFactory.TRUST_LEVEL;
 	public static final GrpcOtherField TOKEN_ATTRIBUTE = GrpcOtherFieldsTestFactory.create();
 
 	public static GrpcTokenAttributes create() {
diff --git a/token-checker-server/src/test/java/de/ozgcloud/token/TokenCheckGrpcServiceTest.java b/token-checker-server/src/test/java/de/ozgcloud/token/TokenCheckGrpcServiceTest.java
index 34960d42cfea7bb625aede1d8830b449cb410b7d..1783dd2bd1945fd46d0f32de0220e6a590c764f8 100644
--- a/token-checker-server/src/test/java/de/ozgcloud/token/TokenCheckGrpcServiceTest.java
+++ b/token-checker-server/src/test/java/de/ozgcloud/token/TokenCheckGrpcServiceTest.java
@@ -44,7 +44,7 @@ class TokenCheckGrpcServiceTest {
 	private SamlTokenService samlTokenService;
 
 	@Mock
-	private CheckTokenResultMapper tokenCheckMapper;
+	private TokenValidationResultMapper tokenCheckMapper;
 
 	@Mock
 	private StreamObserver<GrpcCheckTokenResponse> tokenStreamObserver;
@@ -102,7 +102,7 @@ class TokenCheckGrpcServiceTest {
 		@Nested
 		class TestValidToken {
 
-			private final TokenValidationResult tokenCheckResult = CheckTokenResultTestFactory.createValid();
+			private final TokenValidationResult tokenCheckResult = TokenValidationResultTestFactory.createValid();
 
 			@BeforeEach
 			void mock() {
@@ -128,7 +128,7 @@ class TokenCheckGrpcServiceTest {
 		@Nested
 		class TestInvalidToken {
 
-			private final TokenValidationResult tokenCheckResult = CheckTokenResultTestFactory.createInvalid();
+			private final TokenValidationResult tokenCheckResult = TokenValidationResultTestFactory.createInvalid();
 
 			@BeforeEach
 			void mock() {
@@ -155,11 +155,11 @@ class TokenCheckGrpcServiceTest {
 	@Nested
 	class TestBuildValidCheckTokenResponse {
 
-		private final TokenValidationResult tokenCheckResult = CheckTokenResultTestFactory.createValid();
+		private final TokenValidationResult tokenCheckResult = TokenValidationResultTestFactory.createValid();
 
 		@BeforeEach
 		void mock() {
-			when(tokenCheckMapper.toTokenAttributes(any())).thenReturn(GrpcCheckTokenResponseTestFactory.CHECK_TOKEN_RESULT);
+			when(tokenCheckMapper.toTokenAttributes(any())).thenReturn(GrpcCheckTokenResponseTestFactory.GRPC_TOKEN_ATTRIBUTE);
 		}
 
 		@Test
@@ -173,7 +173,7 @@ class TokenCheckGrpcServiceTest {
 		void shouldReturnResponse() {
 			var response = buildCheckTokenResponse();
 
-			assertThat(response).isEqualTo(GrpcCheckTokenResponseTestFactory.createValid());
+			assertThat(response).usingRecursiveComparison().isEqualTo(GrpcCheckTokenResponseTestFactory.createValid());
 		}
 
 		private GrpcCheckTokenResponse buildCheckTokenResponse() {
@@ -184,18 +184,18 @@ class TokenCheckGrpcServiceTest {
 	@Nested
 	class TestBuildInvalidCheckTokenResponse {
 
-		private final TokenValidationResult tokenCheckResult = CheckTokenResultTestFactory.createInvalid();
+		private final TokenValidationResult tokenCheckResult = TokenValidationResultTestFactory.createInvalid();
 
 		@BeforeEach
 		void mock() {
-			when(tokenCheckMapper.toCheckError(any())).thenReturn(GrpcCheckErrorTestFactory.create());
+			when(tokenCheckMapper.toCheckErrors(any())).thenReturn(GrpcCheckTokenResponseTestFactory.GRPC_CHECK_ERRORS);
 		}
 
 		@Test
 		void shouldCallMapper() {
 			buildCheckTokenResponse();
 
-			verify(tokenCheckMapper).toCheckError(tokenCheckResult);
+			verify(tokenCheckMapper).toCheckErrors(tokenCheckResult);
 		}
 
 		@Test
diff --git a/token-checker-server/src/test/java/de/ozgcloud/token/TokenValidationResultMapperTest.java b/token-checker-server/src/test/java/de/ozgcloud/token/TokenValidationResultMapperTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..d03b398bcbf640c870c6ef10513c7dd6dfe3bdc3
--- /dev/null
+++ b/token-checker-server/src/test/java/de/ozgcloud/token/TokenValidationResultMapperTest.java
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2024.
+ * Lizenziert unter der EUPL, Version 1.2 oder - sobald
+ * diese von der Europäischen Kommission genehmigt wurden -
+ * Folgeversionen der EUPL ("Lizenz");
+ * Sie dürfen dieses Werk ausschließlich gemäß
+ * dieser Lizenz nutzen.
+ * Eine Kopie der Lizenz finden Sie hier:
+ *
+ * https://joinup.ec.europa.eu/collection/eupl/eupl-text-eupl-12
+ *
+ * Sofern nicht durch anwendbare Rechtsvorschriften
+ * gefordert oder in schriftlicher Form vereinbart, wird
+ * die unter der Lizenz verbreitete Software "so wie sie
+ * ist", OHNE JEGLICHE GEWÄHRLEISTUNG ODER BEDINGUNGEN -
+ * ausdrücklich oder stillschweigend - verbreitet.
+ * Die sprachspezifischen Genehmigungen und Beschränkungen
+ * unter der Lizenz sind dem Lizenztext zu entnehmen.
+ */
+
+package de.ozgcloud.token;
+
+import static org.assertj.core.api.Assertions.*;
+import static org.mockito.Mockito.*;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Nested;
+import org.junit.jupiter.api.Test;
+import org.mapstruct.factory.Mappers;
+
+import de.ozgcloud.token.common.errorHandler.ValidationErrorTestFactory;
+
+class TokenValidationResultMapperTest {
+
+	private final TokenValidationResultMapper mapper = spy(Mappers.getMapper(TokenValidationResultMapper.class));
+
+	@Nested
+	class TestToTokenAttributes {
+
+		@Test
+		void shouldMapTokenAttributes() {
+			var result = mapper.toTokenAttributes(TokenValidationResultTestFactory.createValid());
+
+			assertThat(result).usingRecursiveComparison().isEqualTo(GrpcTokenAttributesTestFactory.create());
+		}
+	}
+
+	@Nested
+	class TestToCheckErrors {
+
+		@BeforeEach
+		void init() {
+			doReturn(GrpcCheckErrorTestFactory.create()).when(mapper).toCheckError(any());
+		}
+
+		@Test
+		void shouldMapCheckErrors() {
+			var result = mapper.toCheckErrors(TokenValidationResultTestFactory.createInvalid());
+
+			assertThat(result).usingRecursiveComparison().isEqualTo(GrpcCheckErrorsTestFactory.create());
+		}
+	}
+
+	@Nested
+	class TestToCheckError {
+
+		@Test
+		void shouldMapCheckError() {
+			var result = mapper.toCheckError(ValidationErrorTestFactory.create());
+
+			assertThat(result).usingRecursiveComparison().isEqualTo(GrpcCheckErrorTestFactory.create());
+		}
+	}
+}
\ No newline at end of file
diff --git a/token-checker-server/src/test/java/de/ozgcloud/token/common/errorHandler/ValidationErrorTestFactory.java b/token-checker-server/src/test/java/de/ozgcloud/token/common/errorHandler/ValidationErrorTestFactory.java
index d2da3914d5513bedaf4940318ccbca846c62d763..bdb3374e1e3b8c9901b8717c0b3bca39deddf871 100644
--- a/token-checker-server/src/test/java/de/ozgcloud/token/common/errorHandler/ValidationErrorTestFactory.java
+++ b/token-checker-server/src/test/java/de/ozgcloud/token/common/errorHandler/ValidationErrorTestFactory.java
@@ -30,8 +30,8 @@ import de.ozgcloud.token.common.errorhandling.ValidationError;
 
 public class ValidationErrorTestFactory {
 
-	private static final String ERROR_MESSAGE = LoremIpsum.getInstance().getWords(4);
-	private static final Exception CAUSE = new Exception();
+	public static final String ERROR_MESSAGE = LoremIpsum.getInstance().getWords(4);
+	public static final Exception CAUSE = new Exception();
 
 	public static ValidationError create() {
 		return createBuilder().build();