Message type: E = Error
Message class:  FKK_ID_XX_ODN - ODN message 
Message number: 052
Message text: Document class &1 has no number range assignment
You defined document classes for official document numbering and
assigned them to document types and origin keys. However, these document
classes have no number range assignment. This will cause a runtime
errors because no official document number can be determined for
documents with such document classes.
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 FKK_ID_XX_ODN052 indicates that there is no number range assignment for the specified document class. This error typically occurs in the context of the SAP Contract Accounts Receivable and Payable (FI-CA) module when trying to create or process a document that requires a number range.
Cause: The error is caused by the following reasons: Missing Number Range Assignment: The document class specified in the error message does not have a number range assigned to it in the system configuration. Incorrect Configuration: The configuration for the document class may not have been set up correctly, or the number range may have been deleted or not defined. Authorization Issues: In some cases, the user may not have the necessary authorizations to access or create documents with the specified document class.
Solution: To resolve the error, you can follow these steps: Check Number Range Assignment: Go to the SAP Customizing Implementation Guide (SPRO). Navigate to Financial Accounting (New) > Accounts
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