UTY1654 Partition <string> can only be referenced by a single DML when using the Array Support request.
Explanation:
When a .DML command is using the ArraySupport feature, it must contain one and only one DML statement and the session partition that the .DML command references to need to be used by this .DML command exclusively. Generated By: TLDPREP Remedy: Correct the error and re-submit the program.