Message type: E = Error
Message class:  CNV_NCE_BAS - Number conversion engine: messages 
Message number: 442
Message text: Number range object &1 does not exist
Number range object &V1& does not exist in the system.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_NCE_BAS442 indicates that a number range object specified in the system does not exist. This error typically arises during data migration or conversion processes, particularly when using SAP's tools for data transfer or conversion.
Cause: Non-existent Number Range Object: The specified number range object (e.g., a custom or standard object) is not defined in the system. Incorrect Configuration: The configuration settings for the number range object may be incorrect or incomplete. Transport Issues: The number range object may not have been transported correctly from the development environment to the production environment. Authorization Issues: The user may not have the necessary authorizations to access the number range object.
Solution: Check Number Range Object: Use transaction code SNRO to check if the number range object exists. Enter the name of the object and see if it is listed. If it does not exist, you may need to create it or ensure that it has been properly transported
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