Message type: E = Error
Message class:  ICC_FI_CN - Für die Meldungen extern vornum. Belege 
Message number: 042
Message text: Number range lower than the range of books (&1 to &2)
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The SAP error message ICC_FI_CN042 indicates that there is an issue with the number range configuration for a particular document type or transaction. Specifically, it means that the number range you are trying to use is lower than the defined range for the books in the system. This typically occurs in the context of financial accounting or controlling modules where document numbers are generated.
Cause: Number Range Configuration: The number range defined for the document type is not set correctly. The lower limit of the number range is higher than the range of books defined in the system. Document Type Settings: The document type you are using may not be properly configured to use the correct number range. Customizations: If there have been customizations or changes made to the number range settings, it may lead to inconsistencies.
Solution: Check Number Range Configuration: Go to the transaction code SNRO (Number Range Objects). Find the relevant number range object associated
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