Message type: E = Error
Message class:  CNV20551 - message for package 20551 (company code delete) 
Message number: 317
Message text: &: Pool is excluded from deletion; no check routines or cross-client
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The SAP error message CNV20551317 indicates that a specific pool is excluded from deletion because it does not have any associated check routines or is not cross-client. This error typically arises during data migration or conversion processes, particularly when using SAP's data migration tools.
Cause: No Check Routines: The pool you are trying to delete does not have any check routines defined. Check routines are necessary to validate the data before deletion. Not Cross-Client: The pool may be client-specific, meaning it is not intended to be used across different clients in the SAP system. This can lead to restrictions on deletion. Configuration Settings: The configuration settings in the migration tool or the specific data model may prevent the deletion of certain pools.
Solution: Review Check Routines: Ensure that the pool has the necessary check routines defined. If not, you may need to create or assign appropriate check routines to the pool. Cross-Client Configuration: If the pool is
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