Message type: E = Error
Message class:  CNV_NCE_BAS - Number conversion engine: messages 
Message number: 154
Message text: NR interval &1: order &2 is not valid
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The SAP error message CNV_NCE_BAS154 with the description "NR interval &1: order &2 is not valid" typically occurs during data conversion processes, particularly when using the SAP Conversion Tools or during the execution of a migration project. This error indicates that there is an issue with the number range (NR) interval being used for a specific order.
Cause: Invalid Number Range: The specified number range interval (&1) does not include the order number (&2) being processed. This can happen if the order number is outside the defined range for that interval.
Configuration Issues: The number range configuration may not be set up correctly in the system, leading to discrepancies between the expected and actual values. Data Migration Issues: If you are migrating data from another system, the order numbers may not align with the number range intervals defined in the target SAP system.
Solution: Check Number Range Configuration: Go to the transaction code SNRO (Number Range Objects)
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