Message type: E = Error
Message class:  CNV_NCE_BAS - Number conversion engine: messages 
Message number: 231
Message text: Number range &1
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.
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The SAP error message CNV_NCE_BAS231 related to number ranges typically indicates an issue with the configuration or availability of a number range object in the system. This error can occur during data migration or when trying to create new entries in a table that requires a specific number range.
Cause: Number Range Not Defined: The number range object required for the operation is not defined in the system. Number Range Exhausted: The number range has been exhausted, meaning that all available numbers in the range have been used. Incorrect Configuration: The number range may not be correctly configured or assigned to the relevant object. Authorization Issues: The user may not have the necessary authorizations to access or use the number range.
Solution: Check Number Range Configuration: Go to transaction code SNRO (Number Range Objects). Check if the number range object related to the error is defined and properly configured. Ensure that the number range intervals are set up correctly and
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