How To Fix KI528 - The system could not locate a loop which caused termination

SAP Error Message - Details

• Message type: E = Error

• Message class: KI -

• Message number: 528

• Message text: The system could not locate a loop which caused termination

What causes this issue?

You started the analysis that examines the sender-receiver relationship
during termination of the iteration.

System Response

The SAP System examined all relationships for endless allocation loops.
None were found for the current period. It is possible that the error
occured in another period.

How to fix this error?

Start the analysis in another period.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KI528 - The system could not locate a loop which caused termination ?

  The SAP error message KI528, which states "The system could not locate a loop which caused termination," typically occurs in the context of controlling (CO) and is related to the allocation of costs or the execution of certain CO-related transactions. This error indicates that the system encountered a problem while trying to process a loop in the allocation structure, which can lead to termination of the process.
  Causes:
  
  Incorrect Configuration: The allocation structure or the settings in the controlling area may not be configured correctly, leading to issues in identifying loops.
  Circular References: There may be circular references in the cost allocation process, where costs are being allocated in a way that creates a loop.
  Missing Master Data: Required master data (like cost centers, internal orders, etc.) may be missing or incorrectly set up, which can prevent the system from processing allocations correctly.
  Program Errors: There could be bugs or issues in the custom ABAP programs or enhancements that are being executed during the allocation process.
  
  Solutions:
  
  Check Configuration: Review the configuration settings in the controlling area, particularly the allocation structure. Ensure that all settings are correct and that there are no circular references.
  Analyze Allocation Cycles: Look into the allocation cycles and ensure that they are set up correctly. Make sure that there are no loops in the allocation paths.
  Review Master Data: Verify that all necessary master data is present and correctly configured. This includes checking cost centers, internal orders, and any other relevant objects.
  Debugging: If you have access to debugging tools, you can run the transaction in debug mode to identify where the loop is occurring. This may require the assistance of an ABAP developer.
  Check for Notes and Patches: Look for SAP Notes or patches that may address this specific error. Sometimes, SAP releases updates that fix known issues.
  Consult Documentation: Review SAP documentation or help resources related to the specific transaction or process you are working with to ensure that you are following the correct procedures.
  
  Related Information:
  
  Transaction Codes: The error may occur during the execution of various CO-related transaction codes, such as KSU (Actual Overhead Calculation), KSV (Actual Distribution), or KZB (Actual Assessment).
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. They may provide additional insights or solutions based on the specific context of your system.
  Community Forums: Engaging with SAP community forums or user groups can also be helpful, as other users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the KI528 error in your SAP system.