Message type: E = Error
Message class:  CNV20200 - Messages for development class CNV_20200 
Message number: 076
Message text: Active phase is not "Mapping Tables"; activity opens in display mode
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The SAP error message CNV20200076 indicates that the active phase of a data migration project is not set to "Mapping Tables," which is required for the activity you are trying to perform. This typically occurs in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data conversion tools.
Cause: Incorrect Phase: The migration project is currently in a phase that does not allow for mapping table activities. The system is likely in a phase such as "Preparation" or "Execution," where mapping tables cannot be modified. Project Configuration: The project may not be properly configured to allow access to the mapping tables at this point in the process. User Permissions: The user may not have the necessary permissions to access or modify the mapping tables in the current phase.
Solution: Check Active Phase: Verify the current active phase of your migration project. You can do this by navigating to the
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