Message type: E = Error
Message class:  CNV_NCE_BAS - Number conversion engine: messages 
Message number: 185
Message text: Number Range Object &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_BAS185 related to the number range object typically indicates an issue with the configuration or availability of a number range in the system. This error can occur during data migration or conversion processes, particularly when using SAP's data migration tools.
Cause: Number Range Not Defined: The number range object specified in the error message (&1) may not be defined in the system. Number Range Not Assigned: The number range object might be defined but not assigned to the relevant application or transaction. Number Range Exhausted: The number range may have been exhausted, meaning that all available numbers in the range have been used. Authorization Issues: There may be insufficient authorizations to access or use the number range object. Configuration Errors: There could be configuration errors in the number range settings.
Solution: Check Number Range Definition: Go to transaction code SNRO (Number Range Objects) and check if the number range object specified in the error message
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