Message type: E = Error
Message class:  CNV_10020 - Message class for package 10020 
Message number: 088
Message text: Filling or deletion job for &1 &2 is already running
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The SAP error message CNV_10020088 indicates that a filling or deletion job for a specific object (denoted by &1 and &2) is already in progress. This error typically occurs in the context of data migration or conversion processes, often related to the SAP S/4HANA migration or other data transformation projects.
Cause: Concurrent Jobs: The most common cause of this error is that there is already an active job running for the same object. This can happen if: A previous job has not yet completed. A job was accidentally started multiple times. There is a long-running job that is still processing. System Locking: The system may have a locking mechanism that prevents multiple jobs from running simultaneously on the same object to avoid data inconsistencies.
Solution: Check Active Jobs: Use transaction codes like SM37 (Job Monitoring) to check for any active jobs related to the object in question. Look for jobs that are in a "Running" or "Released" state. If you
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