How To Fix CO813 - LOOP_CTR_BUF not read

SAP Error Message - Details

• Message type: E = Error

• Message class: CO - PPC order processing messages

• Message number: 813

• Message text: LOOP_CTR_BUF not read

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CO813 - LOOP_CTR_BUF not read ?

  The SAP error message CO813 "LOOP_CTR_BUF not read" typically occurs in the context of the Controlling (CO) module, particularly when dealing with cost center accounting or internal orders. This error indicates that the system is unable to read the buffer for loop control, which can be due to various reasons.
  Causes:
  
  Data Inconsistency: There may be inconsistencies in the data that the system is trying to process, such as missing or incorrect entries in the database tables related to cost centers or internal orders.
  Configuration Issues: Incorrect configuration settings in the controlling area or related master data can lead to this error.
  Buffer Issues: The buffer that the system uses to store temporary data may not be properly initialized or may have been corrupted.
  Program Errors: There could be a bug or error in the custom ABAP programs or enhancements that are being executed when this error occurs.
  
  Solutions:
  
  Check Data Consistency: Use transaction codes like KAH3 (Display Cost Center) or KSB1 (Cost Centers: Actual Line Items) to verify that the relevant cost centers and internal orders are correctly set up and have valid entries.
  Review Configuration: Ensure that the configuration settings in the controlling area are correct. This includes checking the settings for cost centers, internal orders, and any related master data.
  Clear Buffer: If the issue is related to buffer problems, you can try to clear the buffer. This can sometimes be done by restarting the application server or using transaction code SM12 to check for and delete any locked entries.
  Check for Notes and Patches: Look for SAP Notes or patches that may address this specific error. SAP frequently releases updates that fix known issues.
  Debugging: If you have access to the ABAP debugger, you can analyze the program that is causing the error to identify the root cause. This may require the assistance of a developer.
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance. Provide them with the error message details and any relevant transaction codes or programs involved.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in the CO module, such as KSB1, KAH3, and KOB1, which can help in analyzing cost center and internal order data.
  SAP Notes: Regularly check the SAP Support Portal for any notes related to the CO813 error, as they may provide specific fixes or workarounds.
  Documentation: Review SAP documentation related to controlling and cost accounting for best practices and troubleshooting steps.
  
  By following these steps, you should be able to diagnose and resolve the CO813 error in your SAP system.