Message type: E = Error
Message class:  CNV_DMC_SIN - Messages for s-innovations migration 
Message number: 574
Message text: Unexpected concanated key &1 for QM/PM - catalog code group/code
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The SAP error message CNV_DMC_SIN574 typically occurs during data migration processes, particularly when using the SAP Data Migration Cockpit (DMC) or during the conversion of data from legacy systems to SAP S/4HANA. This error indicates that there is an unexpected concatenated key for a Quality Management (QM) or Plant Maintenance (PM) catalog code group/code.
Cause: The error is usually caused by one of the following issues: Data Inconsistency: The concatenated key for the catalog code group or code does not match the expected format or does not exist in the target system. Missing Entries: The required entries in the catalog or code group may be missing in the source or target system. Incorrect Mapping: There may be an issue with the mapping of the data during the migration process, leading to incorrect keys being generated or used.
Configuration Issues: The configuration settings for the catalog codes in the target system may not align with those in
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