How To Fix COM_CATEGORY802 - Internal error: Category &1 was not written to the buffer

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_CATEGORY - Category

• Message number: 802

• Message text: Internal error: Category &1 was not written to the buffer

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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Smart SAP Assistant

• What is the cause and solution for SAP error message COM_CATEGORY802 - Internal error: Category &1 was not written to the buffer ?

  The SAP error message COM_CATEGORY802 indicates an internal error where a specific category (denoted by &1) was not written to the buffer. This error typically arises in the context of the SAP Controlling (CO) module, particularly when dealing with cost objects, cost centers, or internal orders.
  Causes:
  
  Buffer Issues: The error may occur due to problems with the internal buffer that SAP uses to store temporary data. If the buffer is not updated correctly, it can lead to this error.
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as missing or incorrect entries in the relevant tables.
  Configuration Issues: Incorrect configuration settings in the controlling area or related master data can lead to this error.
  System Bugs: There may be bugs in the SAP system or specific patches that have not been applied, leading to unexpected behavior.
  
  Solutions:
  
  Check Buffer Settings: Ensure that the buffer settings are correctly configured. You may need to clear the buffer or restart the application to refresh it.
  Data Consistency Check: Run consistency checks on the relevant master data and transactional data. Use transaction codes like CKMLCP (for cost object) or KAH3 (for cost center) to verify data integrity.
  Review Configuration: Check the configuration settings in the controlling area and ensure that all necessary settings are correctly defined.
  SAP Notes: Search for relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  Debugging: If you have access to debugging tools, you can analyze the program flow to identify where the error is occurring. This may require assistance from a developer or SAP Basis team.
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including transaction codes and steps to reproduce the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in the CO module, such as KSB1 (for cost center reports) or CJI3 (for project reports).
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review SAP documentation related to the Controlling module for best practices and troubleshooting steps.
  
  By following these steps, you should be able to diagnose and potentially resolve the COM_CATEGORY802 error in your SAP system.