Message type: E = Error
Message class:  CNV_10510 - Message class for package 40300 (ANLKL) 
Message number: 020
Message text: Record could not be found in mapping; &1 &2 &3
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The SAP error message CNV_10510020, which states "Record could not be found in mapping; &1 &2 &3," typically occurs during data migration or conversion processes, particularly when using SAP's data migration tools like the SAP S/4HANA Migration Cockpit or other conversion tools.
Cause: This error generally indicates that the system is unable to find a specific record in the mapping table that is required for the data conversion process. The placeholders (&1, &2, &3) usually represent specific identifiers or keys related to the record that could not be found. Common causes include: Missing Mapping Entries: The mapping table does not contain an entry for the specified record. Incorrect Configuration: The mapping configuration may not be set up correctly, leading to mismatches. Data Integrity Issues: The source data may have inconsistencies or missing values that prevent proper mapping. Version Mismatch: The version of the migration tool or the source system may not be compatible with the target
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