Message type: E = Error
Message class:  CNV_20900 - Message class for package CNV_20900 
Message number: 163
Message text: &1 merge groups checked, &2 adapted, &3 with errors
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The SAP error message CNV_20900163 typically occurs during the data migration process, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there are issues with the merge groups being processed, where some groups have been checked, some have been adapted, and some have encountered errors.
Cause: The error can arise due to several reasons, including: Data Inconsistencies: There may be inconsistencies in the data being migrated, such as missing mandatory fields, incorrect data formats, or violations of business rules.
Configuration Issues: The configuration settings for the migration process may not be correctly set up, leading to errors during the merge operation. Mapping Errors: There could be issues with the mapping of source data to target structures, causing conflicts or errors during the merge. Duplicate Entries: The presence of duplicate entries in the source data can lead to conflicts when trying to merge records.
Solution: To resolve the error, you can
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