Message type: E = Error
Message class:  CNVMBT - Messages for MBT/API/PCL 
Message number: 054
Message text: No masstransfer ID specified for subproject &1
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The SAP error message CNVMBT054 indicates that there is no mass transfer ID specified for a particular subproject. This error typically occurs in the context of data migration or data transfer processes, particularly when using the SAP Migration Cockpit or similar tools.
Cause: The error is caused by the absence of a mass transfer ID for the specified subproject. This can happen due to several reasons: The mass transfer ID was not created or assigned to the subproject. There may be a configuration issue in the migration project setup. The subproject may not be properly linked to the mass transfer ID in the system.
Solution: To resolve the error, you can follow these steps: Check Mass Transfer ID: Go to the relevant transaction (e.g., LTMC for Migration Cockpit) and verify if a mass transfer ID exists for the subproject in question. If it does not exist, you may need to create a new mass transfer ID. Assign Mass Transfer ID: If a
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