Message type: E = Error
Message class:  CNV20551 - message for package 20551 (company code delete) 
Message number: 334
Message text: &: no deletion criterion found (not in editing mode)
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The SAP error message CNV20551334, which states "no deletion criterion found (not in editing mode)," typically occurs in the context of data migration or data conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that the system is unable to find a valid deletion criterion for the data you are trying to process, and it is not in the appropriate mode to make changes. Causes: Editing Mode: The error suggests that the system is not in editing mode, which is necessary to define or modify deletion criteria. Missing Deletion Criteria: There may be no deletion criteria defined for the specific data set you are working with, which means the system does not know which records to delete.
Configuration Issues: There could be issues with the configuration of the migration project or the specific data migration object you are working with. Authorization Issues: Lack of proper authorizations to edit
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