diff --git a/config/alfresco/workflow/workflow-messages_ja.properties b/config/alfresco/workflow/workflow-messages_ja.properties
index 2e4e989b21..3610e8d886 100755
--- a/config/alfresco/workflow/workflow-messages_ja.properties
+++ b/config/alfresco/workflow/workflow-messages_ja.properties
@@ -229,3 +229,4 @@ listconstraint.wf_reviewOutcomeOptions.Reject=\u5374\u4e0b
 workflowtask.outcome.Approve=\u627f\u8a8d\u6e08\u307f
 workflowtask.outcome.Reject=\u5374\u4e0b\u6e08\u307f
 
+workflowtask.already.done.error=\u3053\u306e\u30bf\u30b9\u30af\u306f\u3059\u3067\u306b\u5b8c\u4e86\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u7de8\u96c6\u3067\u304d\u307e\u305b\u3093\u3002
\ No newline at end of file