Message type: E = Error
Message class:  CNV_NCE_BAS - Number conversion engine: messages 
Message number: 405
Message text: Number range object &1 selected
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The SAP error message CNV_NCE_BAS405, which indicates that a number range object has been selected, typically arises in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error suggests that there is an issue with the configuration or assignment of number ranges for the specified object.
Cause: Number Range Object Not Defined: The number range object specified in the error message may not be defined in the system. Number Range Not Assigned: The number range object may not have a valid number range assigned to it. Incorrect Configuration: There may be an issue with the configuration of the number range object, such as overlapping ranges or incorrect intervals. Authorization Issues: The user executing the migration may not have the necessary authorizations to access or modify the number range object.
Solution: Check Number Range Configuration: Go to transaction code SNRO (Number Range Objects) and check if the number
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CNV_NCE_BAS404 All number range objects selected
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_NCE_BAS403 Action cancelled
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CNV_NCE_BAS406 Data successfully saved
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CNV_NCE_BAS407 No relevant number range objects found
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