Message type: E = Error
Message class:  ID_FI_OVF - Online validation Framework Messages 
Message number: 012
Message text: Error during online validation; unknown communication scenario &1
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
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The SAP error message ID_FI_OVF012, which states "Error during online validation; unknown communication scenario &1," typically occurs in the context of financial operations, particularly when dealing with online validations in the SAP system. This error indicates that the system encountered an issue while trying to validate data against an external service or communication scenario that it does not recognize. Causes: Incorrect Configuration: The communication scenario referenced in the error message may not be properly configured in the system. Missing or Incorrect Mapping: The mapping for the communication scenario may be missing or incorrectly set up in the system. System Updates or Changes: Recent updates or changes to the SAP system or the external service may have led to discrepancies in the expected communication scenarios. Network Issues: There may be network connectivity issues preventing the SAP system from reaching the external service for validation. Authorization Issues: The user or system may lack the necessary authorizations to access
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