Message type: E = Error
Message class:  CNV_MBT - PCL message class 
Message number: 204
Message text: Table &1: Error when modifying parameters of jobs &3 &4
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The SAP error message CNV_MBT204 typically indicates an issue related to modifying parameters of jobs in the context of a data migration or conversion process. This error can occur during the execution of a migration project, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
Cause: The error message CNV_MBT204 can be caused by several factors, including: Job Status: The job you are trying to modify may be in a status that does not allow changes (e.g., it might be active, finished, or canceled). Authorization Issues: The user executing the modification may not have the necessary authorizations to change job parameters. Database Locking: There may be database locks preventing the modification of the job parameters. Technical Issues: There could be underlying technical issues, such as inconsistencies in the job definitions or problems with the job scheduling system.
Solution: To resolve the CNV_MBT204 error, you can take the following steps: Check Job Status: Verify the status of the
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