Message type: E = Error
Message class:  CNV20551 - message for package 20551 (company code delete) 
Message number: 174
Message text: Tab. &1: Criterion &2 is ineffective; deletion logic is not to be changed
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The SAP error message CNV20551174 indicates that there is an issue with a specific criterion in a table during a data migration or conversion process. This message typically arises in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data conversion scenarios.
Cause: The error message CNV20551174 is triggered when: A specific criterion (denoted as &2) in a table (denoted as &1) is deemed ineffective. This means that the criterion does not have any valid entries or conditions that can be applied during the data processing. The deletion logic for the data migration process is not intended to be modified, which means that the system is enforcing certain rules or constraints that prevent changes to how data is deleted or processed.
Solution: To resolve this error, you can take the following steps: Check the Criteria: Review the criteria defined for the table in question. Ensure that the criterion is correctly
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CNV20551173 Table &1: Criterion &2 is ineffective; no alternative; exclude the table?
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