2011380 - Previous SUM not finished properly and asking for CLEAN MODULE PASSWORD

During an upgrade using the Software Update Manager (SUM), the following "Clean Module Password" dialog is seen:

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SUM has detected leftover artifacts that originate from previous SUM execution that was left unfinished. This SUM instance can attempt to cleanup the leftover data. In order to proceed please open OSS message in BC-UPG-TLS-TLJ with the following information:
1. Your execution code: xxxxxxxxxx
2. Explanation why the previous SUM run was not finished. If possible: In which step you have stopped it. Error in stack file prompting mixed descriptors. Recreated new Maintenance Planner stack file.
3. Request the message to be transferred to development support so that a password can be generated for your case.
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Software Update Manager

SUM, clean-module-password, CLEAN, MODULE, PASSWORD, reset ,restore, shadow , KBA , BC-UPG-TLS-TLJ , Upgrade tools for Java , Problem