Message type: E = Error
Message class:  CNV - Conversion: Messages for Conversion Services (CNCC) 
Message number: 024
Message text: Package number &1 already exists in another client
The specified new package number already exists in another client.
However a package number must be unique across all of the system because
activity handling is organized at a cross-client level.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Choose a new package number.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV024 indicates that a package number you are trying to create or use already exists in another client within the SAP system. This typically occurs during data migration or when working with transport requests, especially in the context of SAP's Conversion and Migration tools.
Cause: Duplicate Package Number: The package number you are trying to create is already in use in another client. Each client in an SAP system has its own set of package numbers, and they must be unique within that client. Transport Requests: If you are working with transport requests, the package number may have been assigned to a different transport request in another client. Client-Specific Data: The error can also arise if the package is client-specific and you are trying to use it in a different client context.
Solution: Check Existing Packages: Verify the existing package numbers in the client you are working with. You can do this
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