diff --git a/backend/i18n/backend_en.json b/backend/i18n/backend_en.json
index 790dd845c..876dd05c4 100644
--- a/backend/i18n/backend_en.json
+++ b/backend/i18n/backend_en.json
@@ -2,6 +2,9 @@
   "annotations_AbsoluteUrl": "The field {name|lower} must be an absolute URL.",
   "annotations_Compare": "The field {name|lower} must be the same as {other|lower}.",
   "annotations_Required": "The field {name|lower} is required.",
+  "aspnet_annotations_AbsoluteUrl": "The field {0} must be an absolute URL.",
+  "aspnet_annotations_Compare": "The field {0} must be the same as {other|lower}.",
+  "aspnet_annotations_Required": "The field {0} is required.",
   "apps.alreadyArchieved": "App has already been archived.",
   "apps.clients.idAlreadyExists": "A client with the same id already exists.",
   "apps.contributors.cannotChangeYourself": "You cannot change your own role.",
@@ -315,7 +318,8 @@
   "validation.slug": "{property|upper} is not a valid slug.",
   "validation.valid": "{property|upper} is not a valid value.",
   "validation.notAnImage": "Picture is not a valid image.",
-  "workflows.initialNotPublished": "Initial step cannot be published step.",
+  "workflows.publishedIsInitial": "Initial step cannot be published step.",
+  "workflows.publishedNotDefined": "Workflow must have a published step.",
   "workflows.overlap": "Multiple workflows cover all schemas.",
   "workflows.schemaOverlap": "The schema '{schema}' is covered by multiple workflows."
 }
\ No newline at end of file
diff --git a/backend/src/Squidex.Domain.Apps.Entities/Apps/Guards/GuardAppWorkflows.cs b/backend/src/Squidex.Domain.Apps.Entities/Apps/Guards/GuardAppWorkflows.cs
index c44870a2e..a2e735471 100644
--- a/backend/src/Squidex.Domain.Apps.Entities/Apps/Guards/GuardAppWorkflows.cs
+++ b/backend/src/Squidex.Domain.Apps.Entities/Apps/Guards/GuardAppWorkflows.cs
@@ -52,14 +52,14 @@ namespace Squidex.Domain.Apps.Entities.Apps.Guards
 
                 if (workflow.Initial == Status.Published)
                 {
-                    e(T.Get("workflows.initialNotPublished"), $"{nameof(command.Workflow)}.{nameof(workflow.Initial)}");
+                    e(T.Get("workflows.publishedIsInitial"), $"{nameof(command.Workflow)}.{nameof(workflow.Initial)}");
                 }
 
                 var stepsPrefix = $"{nameof(command.Workflow)}.{nameof(workflow.Steps)}";
 
                 if (!workflow.Steps.ContainsKey(Status.Published))
                 {
-                    e(T.Get("workflows.initialNotPublished"), stepsPrefix);
+                    e(T.Get("workflows.publishedNotDefined"), stepsPrefix);
                 }
 
                 foreach (var step in workflow.Steps)
diff --git a/backend/src/Squidex.Shared/Texts.resx b/backend/src/Squidex.Shared/Texts.resx
index b891291b1..76d59b8bc 100644
--- a/backend/src/Squidex.Shared/Texts.resx
+++ b/backend/src/Squidex.Shared/Texts.resx
@@ -130,6 +130,15 @@
   <data name="apps.roles.usedRoleByContributorsNotRemovable" xml:space="preserve">
     <value>Cannot remove a role when a contributor is assigned.</value>
   </data>
+  <data name="aspnet_annotations_AbsoluteUrl" xml:space="preserve">
+    <value>The field {0} must be an absolute URL.</value>
+  </data>
+  <data name="aspnet_annotations_Compare" xml:space="preserve">
+    <value>The field {0} must be the same as {other|lower}.</value>
+  </data>
+  <data name="aspnet_annotations_Required" xml:space="preserve">
+    <value>The field {0} is required.</value>
+  </data>
   <data name="assets.assetAlreadyDeleted" xml:space="preserve">
     <value>Asset has already been deleted</value>
   </data>
@@ -1003,12 +1012,15 @@
   <data name="validation.valid" xml:space="preserve">
     <value>{property|upper} is not a valid value.</value>
   </data>
-  <data name="workflows.initialNotPublished" xml:space="preserve">
-    <value>Initial step cannot be published step.</value>
-  </data>
   <data name="workflows.overlap" xml:space="preserve">
     <value>Multiple workflows cover all schemas.</value>
   </data>
+  <data name="workflows.publishedIsInitial" xml:space="preserve">
+    <value>Initial step cannot be published step.</value>
+  </data>
+  <data name="workflows.publishedNotDefined" xml:space="preserve">
+    <value>Workflow must have a published step.</value>
+  </data>
   <data name="workflows.publishedStepNotFound" xml:space="preserve">
     <value>Transition has an invalid target.</value>
   </data>