Message type: E = Error
Message class:  CNV_MBT - PCL message class 
Message number: 526
Message text: Package deactivated. Assigned migration plan &1 can be assigned again
You have deactivated a migration package. The assignment of the
migration plan to the migration package was deleted.
The existing company code assignment is still active so that the
migration plan can be used within a new package.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Create a new migration package and assign the migration plan
accordingly with activity "Customizing of package via transport
request".
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_MBT526 indicates that a migration package has been deactivated, and the assigned migration plan can be reassigned. This error typically occurs in the context of SAP S/4HANA migrations or data migrations using the SAP Migration Cockpit.
Cause: The error is caused by the deactivation of a migration package that is currently assigned to a migration plan. This can happen for several reasons, including: The migration package was manually deactivated by a user. The migration package is no longer valid or has been removed from the system. There may be inconsistencies in the migration package or plan configuration.
Solution: To resolve the error, you can follow these steps: Check Migration Package Status: Go to the transaction code LTMC (Migration Cockpit) or the relevant transaction for your migration tool. Check the status of the migration package that is causing the error. Ensure that it is active. Reactivate the Migration Package: If the package is deactivated, you may need to reactivate
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