Message type: E = Error
Message class:  CNV20551 - message for package 20551 (company code delete) 
Message number: 618
Message text: &1: No NRIV entries for &2 and relevant subobj. found. Nothing to do!
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The SAP error message CNV20551618 indicates that there are no NRIV (Number Range Interval) entries found for a specific object in the system. This error typically occurs during data migration or conversion processes, particularly when using SAP's Conversion Tools or during the execution of certain programs that rely on number ranges.
Cause: Missing NRIV Entries: The primary cause of this error is that the system is unable to find any number range intervals (NRIV) for the specified object. This can happen if: The number range has not been defined for the object in question. The number range has been deleted or is inactive. The configuration for the number range is incomplete or incorrect. Incorrect Object Reference: The object reference specified in the error message may not be valid or may not correspond to any existing number range.
Solution: Check Number Range Configuration: Go to transaction code SNRO (Number Range Objects) and check if the number range object related to
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