How To Fix 64166 - Flow category defined for flow type & is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: 64 - Treasury Management: Securities

• Message number: 166

• Message text: Flow category defined for flow type & is not allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 64166 - Flow category defined for flow type & is not allowed ?

  The SAP error message 64166, which states "Flow category defined for flow type & is not allowed," typically occurs in the context of financial accounting or controlling modules when there is a mismatch or misconfiguration related to flow types and their associated flow categories.
  Cause:
  
  
  Incorrect Flow Type Configuration: The flow type being used is not correctly configured in the system. Each flow type is associated with a specific flow category, and if the flow category does not match the expected values for that flow type, this error will occur.
  
  
  Customizations or Changes: If there have been recent changes or customizations to the flow types or flow categories, it may lead to inconsistencies that trigger this error.
  
  
  Data Entry Errors: Incorrect data entry during transaction processing can also lead to this error, especially if the flow type is not valid for the transaction being processed.
  
  
  Solution:
  
  
  Check Flow Type Configuration:
  
  Go to the configuration settings for flow types in SAP (Transaction Code: OPM1 or similar).
  Verify that the flow type in question is correctly defined and that its associated flow category is valid.
  
  
  
  Review Flow Category Settings:
  
  Check the settings for flow categories (Transaction Code: OPM2 or similar).
  Ensure that the flow category assigned to the flow type is appropriate and allowed for the type of transaction you are processing.
  
  
  
  Transaction Data Review:
  
  Review the transaction data that triggered the error. Ensure that the flow type used is appropriate for the transaction context.
  If necessary, correct the transaction data and reprocess the transaction.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific details on flow types and flow categories to ensure compliance with the expected configurations.
  
  
  
  Testing:
  
  After making changes, perform testing to ensure that the error does not reoccur and that transactions can be processed successfully.
  
  
  
  Related Information:
  
  
  Flow Types and Flow Categories: In SAP, flow types are used to categorize financial transactions, while flow categories define the nature of the flow (e.g., revenue, expense, etc.). Understanding the relationship between these two is crucial for proper configuration.
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for configuration and troubleshooting, such as OPM1 (Define Flow Types) and OPM2 (Define Flow Categories).
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message, as there may be updates or fixes provided by SAP.
  
  
  Support: If the issue persists after checking configurations and data, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.