From 3cb97bd91c12648678276ffecd47e1c2d2dfaf0f Mon Sep 17 00:00:00 2001
From: Thorge Petersen <petersen@rz.uni-kiel.de>
Date: Tue, 5 Jul 2022 09:24:04 +0200
Subject: [PATCH] Set value to empty string if value not in extras

---
 .../odsh/templates/package/snippets/package_basic_fields.html   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ckanext/odsh/templates/package/snippets/package_basic_fields.html b/ckanext/odsh/templates/package/snippets/package_basic_fields.html
index 01211864..7b135474 100644
--- a/ckanext/odsh/templates/package/snippets/package_basic_fields.html
+++ b/ckanext/odsh/templates/package/snippets/package_basic_fields.html
@@ -325,5 +325,5 @@ dataset_is_draft)) %}
 {# field reference #}
 {% set field = 'reference' %}
 {% set error_reference = h.odsh_extract_error(field, errors) %}
-{% set value = h.odsh_extract_value_from_extras(data.extras,field) %}
+{% set value = h.odsh_extract_value_from_extras(data.extras,field) or '' %}
 {{ form.select_autocomplete(field, label=_('Musterdatensatz'), selected=value, options=h.odsh_load_mdk_sample_dataset(), error=error_reference, is_required=False, classes=['control-full', 'field-reference'])}}
-- 
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