Message type: E = Error
Message class:  FKK_ID_XX_ODN - ODN message 
Message number: 134
Message text: No schema for country &1; no ODN because no doccls assignm. for sub-ID &2
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The SAP error message FKK_ID_XX_ODN134 indicates that there is no schema defined for a specific country, and as a result, there is no ODN (Output Document Number) because there is no document class assignment for the specified sub-ID. This error typically occurs in the context of SAP Convergent Charging or SAP Contract Accounts Receivable and Payable (FI-CA) when dealing with output documents.
Cause: Missing Schema: The error suggests that the system is unable to find a schema for the specified country. This could be due to configuration issues where the schema has not been defined or is incorrectly set up. Document Class Assignment: The document class for the specified sub-ID is not assigned, which means that the system does not know how to process the output document for that particular sub-ID. Country-Specific Configuration: The configuration for the country in question may not be complete or may have been inadvertently changed.
Solution: Check Schema Configuration: Go to the
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