Message type: E = Error
Message class:  CNV_OR_RN - Renumbering: Message Class 
Message number: 007
Message text: No number ranges to be adjusted
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The SAP error message CNV_OR_RN007: No number ranges to be adjusted typically occurs during the execution of a conversion or migration process, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that the system could not find any number ranges that need to be adjusted for the specified object or process.
Cause: No Number Ranges Defined: The most common cause is that there are no number ranges defined for the object you are trying to migrate or convert. Incorrect Configuration: The configuration for number ranges may not be set up correctly in the system. Object Not Relevant: The object you are trying to process may not require any number range adjustments. Data Migration Settings: The settings in the migration tool may not be correctly configured to include number range adjustments.
Solution: Check Number Range Configuration: Go to the relevant transaction (e.g., SNRO for number range objects) and verify if the number
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