How To Fix KK055 - Internal program error: &

SAP Error Message - Details

• Message type: E = Error

• Message class: KK -

• Message number: 055

• Message text: Internal program error: &

What causes this issue?

An error occurred during processing of the function module (of the form
routine) &v1& which does not allow further processing.

System Response

Processing was cancelled.

How to fix this error?

Please inform your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KK055 - Internal program error: & ?

  The SAP error message KK055, which states "Internal program error: &", typically indicates that there is an unexpected issue within the SAP system that is not being handled correctly. This error can occur in various contexts, often related to the Controlling (CO) module, particularly in areas like cost center accounting, internal orders, or profit center accounting.
  Causes:
  
  Data Inconsistencies: There may be inconsistencies or corruption in the data being processed, such as missing or incorrect entries in master data or transaction data.
  Custom Code Issues: If there are custom enhancements or modifications in the system, they might be causing conflicts or errors.
  System Bugs: There could be a bug in the SAP software itself, especially if you are using an older version or have not applied the latest patches.
  Configuration Issues: Incorrect configuration settings in the CO module can lead to unexpected behavior and errors.
  
  Solutions:
  
  Check for Notes and Patches: Look for SAP Notes related to the KK055 error in the SAP Support Portal. Applying relevant patches or updates may resolve the issue.
  Review Custom Code: If there are any custom developments, review the code for potential issues. Debugging the code may help identify the root cause.
  Data Validation: Check the data involved in the transaction that triggered the error. Ensure that all necessary master data is complete and correct.
  Transaction Logs: Review transaction logs or system logs (SM21) for additional context or related errors that may provide more insight into the issue.
  Reproduce the Error: Try to reproduce the error in a test environment to better understand the conditions under which it occurs.
  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, data involved, and any steps taken to troubleshoot.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in the CO module, such as KSB1 (Cost Centers: Actual Line Items) or KO03 (Display Internal Order).
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Documentation: Review SAP documentation for the CO module to ensure that your configuration aligns with best practices.
  
  By following these steps, you should be able to diagnose and potentially resolve the KK055 error in your SAP system.