Message type: E = Error
Message class:  CNVMBT - Messages for MBT/API/PCL 
Message number: 051
Message text: At least one user need the admininstrator status in table cnvmbtusr.
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The SAP error message CNVMBT051 indicates that at least one user must have administrator status in the table cnvmbtusr. This error typically arises in the context of data migration or conversion processes, particularly when using the SAP Migration Cockpit or similar tools.
Cause: The error occurs because the system requires at least one user to have administrator privileges in the cnvmbtusr table to perform certain operations. This is necessary for managing migration tasks, ensuring that there is a designated user with the necessary permissions to oversee and execute the migration process.
Solution: To resolve this error, you need to ensure that at least one user is assigned administrator status in the cnvmbtusr table. Here are the steps to do this: Access the Table: Use transaction code SE16N or SE11 to access the table cnvmbtusr. Check Existing Users: Look for existing entries in the table to see if there are any users with administrator status. Add or Modify User: If no
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