Unable to Edit Artifact Version Details Unexpected error on server

Document ID : KB000109070
Last Modified Date : 01/08/2018
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Issue:
In the ROC you would get the following error while trying to modify the details of an artifact with an artifact type of "Repository": Unexpected error on server [null]. Please refer to server logs with timestamp [2017-12-22 10:44:26].

When reviewing the nolio_dm_all.log file for the timestamp mentioned in the UI error it shows: Artifact Controller Method Error
 
Environment:
CA Release Automation 6.4.0.10011
CA Release Automation 6.5.0.10007
Cause:
This is a known defect.
Resolution:
This has been fixed in the a cumulative patch released for 6.4. Build 6.4.0.10135.
This has been fixed in the a cumulative patch released for 6.5. Build 6.5.0.10035.