Yokohama Defect: Unable to Add Child ProblemIssue After the Yokohama upgrade, it is no longer possible to add a problem as a child to another problem through the Related List.ReleaseYokohama Patch 3CauseDictionary Override on the Task table.Resolution1. Uncheck the 'Override Read Only' checkbox to fix the issue. 2. If you are on Xanadu version, upgrade the instance to Xanadu Patch 9 to fix the issue. OR 3. If you are on Yokohama version, upgrade the instance to Yokohama Patch 4, as the issue has been resolved in these version releases.