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

NAA120 - Overview

• 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.

Unfortunately, there isn't any extra information in this error notice.

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NAA120 - Details

• 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