How To Fix FKKW018 - Derivation of FI-CA document type from billing type &1 not possible.

SAP Error Message - Details

• Message type: E = Error

• Message class: FKKW - Message Class for Package FKKW

• Message number: 018

• Message text: Derivation of FI-CA document type from billing type &1 not possible.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FKKW018 - Derivation of FI-CA document type from billing type &1 not possible. ?

  The SAP error message FKKW018 indicates that the system is unable to derive the Financial Accounting - Contract Accounts Receivable and Payable (FI-CA) document type from the specified billing type. This typically occurs during the billing process when the system attempts to create a document in FI-CA based on the billing type provided, but it cannot find a valid mapping or configuration.
  Causes:
  
  Missing Configuration: The most common cause is that the mapping between the billing type and the FI-CA document type has not been set up in the system.
  Incorrect Billing Type: The billing type being used may not be valid or may not have been properly configured in the system.
  Customizations: If there are custom developments or modifications in the system, they may interfere with the standard mapping.
  Transport Issues: If the configuration was recently transported from another system, it may not have been transported correctly.
  
  Solutions:
  
  
  Check Configuration:
  
  Go to the configuration settings in SAP for FI-CA and check the mapping between billing types and document types.
  You can find this under the path: SPRO > Financial Accounting > Contract Accounts Receivable and Payable > Basic Functions > Document Types > Define Document Types for Billing.
  Ensure that the billing type in question is correctly mapped to a valid FI-CA document type.
  
  
  
  Verify Billing Type:
  
  Ensure that the billing type you are using is correct and exists in the system.
  You can check this in the billing type configuration settings.
  
  
  
  Check for Customizations:
  
  If there are any custom developments or enhancements, review them to ensure they are not affecting the standard behavior of the billing process.
  
  
  
  Transport Issues:
  
  If the configuration was recently transported, verify that all necessary objects were included in the transport request and that they were imported correctly.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to this error message for any additional insights or specific instructions.
  
  
  
  Testing:
  
  After making any changes, perform a test billing to see if the issue is resolved.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like OBY6 (for document types) and VOTXN (for billing types) to access the relevant configuration settings.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Support: If the issue persists after checking the above, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By following these steps, you should be able to identify and resolve the cause of the FKKW018 error message in your SAP system.