Message type: E = Error
Message class:  CNV_NCE_BAS - Number conversion engine: messages 
Message number: 245
Message text: No information about new intervals exists, maintenance is not possible
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The SAP error message CNV_NCE_BAS245 ("No information about new intervals exists, maintenance is not possible") typically occurs in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that the system cannot find the necessary information about the new intervals for the data being processed, which prevents maintenance or updates from being performed.
Causes:
Missing Configuration: The required configuration for the new intervals may not have been set up correctly in the system.
Data Migration Issues: There may be issues with the data migration process, such as missing or incomplete data that is needed for the intervals.
Custom Development: If there are custom developments or enhancements in the system, they may not be compatible with the new intervals.
Version Compatibility: The error may arise if there is a mismatch between the version of the migration tool and the SAP system version.
Solutions:
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