Message type: E = Error
Message class:  NAA - Subsequent settlement (Purchasing) 
Message number: 119
Message text: Different document categories price determination (internl program error)
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The SAP error message NAA119, which indicates "Different document categories price determination (internal program error)," typically arises during the pricing determination process in SAP, particularly when there is a mismatch in document categories or pricing conditions.
Cause: Document Category Mismatch: The error often occurs when the system encounters different document categories that are not compatible with each other during the pricing determination process. This can happen if the pricing procedure is not set up correctly for the specific document types involved.
Configuration Issues: There may be issues in the configuration of pricing procedures, condition types, or access sequences that lead to this error. Custom Code or Enhancements: If there are custom developments or enhancements in the pricing logic, they may inadvertently cause this error. Data Inconsistencies: Inconsistent or incorrect master data (like material master, customer master, etc.) can also lead to this error.
Solution: Check Pricing Procedure: Review the pricing procedure assigned to the document type in
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