Message type: E = Error
Message class:  CNV_CMIS_A_20 - Message class for Cross-Client Customizing Comparison (SLO) 
Message number: 256
Message text: Update worklist Failed
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The SAP error message CNV_CMIS_A_20256: Update worklist failed typically occurs during data migration processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there was a failure in updating the worklist, which is a list of tasks or items that need to be processed during the migration. Causes: Data Integrity Issues: The data being migrated may have integrity issues, such as missing mandatory fields, incorrect data formats, or foreign key violations. Configuration Errors: There may be configuration issues in the migration cockpit or the source system that prevent the successful update of the worklist. Authorization Problems: The user executing the migration may not have the necessary authorizations to perform the update. Technical Issues: There could be underlying technical issues, such as database locks, connectivity problems, or system performance issues. Custom Code or Enhancements: If there are custom developments or enhancements in the system, they might interfere with the
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