How To Fix NAA120 - Different document categories update (internal program error)

SAP Error Message - Details

• Message type: E = Error

• Message class: NAA - Subsequent settlement (Purchasing)

• Message number: 120

• Message text: Different document categories update (internal program error)

Self-Explanatory Message

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message NAA120 - Different document categories update (internal program error) ?

  The SAP error message NAA120, which states "Different document categories update (internal program error)," typically indicates an issue related to the processing of document categories in the SAP system. This error can occur in various contexts, such as during document posting, document changes, or when executing certain transactions.
  Causes:
  
  
  Inconsistent Document Categories: The error often arises when there is an inconsistency in the document categories being processed. For example, if a transaction attempts to update or post documents that belong to different categories, the system may throw this error.
  
  
  Custom Development Issues: If there are custom programs or enhancements that manipulate document categories, they may not be handling the categories correctly, leading to this error.
  
  
  Configuration Issues: Incorrect configuration in the document management settings or in the relevant modules (like FI, CO, MM, etc.) can also lead to this error.
  
  
  Data Integrity Issues: Corrupted or inconsistent data in the database related to document categories can trigger this error.
  
  
  Solutions:
  
  
  Check Document Categories: Review the document categories involved in the transaction that triggered the error. Ensure that they are consistent and appropriate for the operation being performed.
  
  
  Review Custom Code: If there are any custom developments or enhancements, review the code to ensure that it correctly handles document categories. Look for any logic that might be causing the inconsistency.
  
  
  Configuration Review: Check the configuration settings related to document management and ensure that they are set up correctly. This includes reviewing settings in the relevant modules (FI, CO, etc.) to ensure they align with business processes.
  
  
  Data Consistency Check: Run data consistency checks to identify and resolve any issues with the underlying data. This may involve using transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to inspect the relevant tables.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  
  
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including transaction codes, steps to reproduce the error, and any relevant logs.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes related to document management and posting, such as FB01 (Post Document), FB02 (Change Document), and others relevant to your specific module.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Review SAP documentation related to document management and error handling for additional insights.
  
  By following these steps, you should be able to diagnose and resolve the NAA120 error in your SAP system.