Message type: E = Error
Message class:  CNV_DMC_SIN - Messages for s-innovations migration 
Message number: 575
Message text: Unexpected concanated key &1 for QM - selected set
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The SAP error message CNV_DMC_SIN575 typically occurs during data migration processes, particularly when using the SAP Data Migration Cockpit (DMC) or during the conversion of data from one system to another. This error indicates that there is an unexpected concatenated key for a Quality Management (QM) selected set.
Cause: The error can be caused by several factors, including: Data Inconsistency: The data being migrated may have inconsistencies or missing values that do not conform to the expected format or structure of the concatenated key. Incorrect Mapping: The mapping of fields in the source data to the target system may not be correctly defined, leading to unexpected key combinations.
Configuration Issues: There may be configuration issues in the target system that do not align with the source data structure. Duplicate Entries: There might be duplicate entries in the source data that are causing conflicts when creating the concatenated key.
Solution: To resolve the CNV_DMC_SIN575 error, you can take the
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