How To Fix KC051 - Internal error: Entry in COKA-Buffer not found

KC051 - Overview

• Message type: E = Error

• Message class: KC - Cost Collector

• Message number: 051

• Message text: Internal error: Entry in COKA-Buffer not found

What causes this issue?

The system could not find the entry with the following key in the COKA
float:
Object number = &v1&
Cost element = &v2&
Origin group = &v3&

System Response

An internal error has occurred. Processing stopped.

How to fix this error?

Notify your system administrator.

Error message extract from SAP system. Copyright SAP SE.

KC051 - Details

• The SAP error message KC051 ("Internal error: Entry in COKA-Buffer not found") typically occurs in the context of controlling (CO) module transactions, particularly when dealing with cost allocations or cost center accounting. This error indicates that the system is unable to find a specific entry in the COKA buffer, which is used for managing cost allocations.
  Causes:
  
  Data Inconsistency: There may be inconsistencies in the data that the system is trying to access, such as missing or corrupted entries in the database.
  Buffer Issues: The COKA buffer may not have been properly initialized or may have been cleared unexpectedly.
  
  Configuration Issues: Incorrect configuration settings in the controlling area or cost center settings can lead to this error.
  Program Errors: Bugs or issues in the custom ABAP programs or enhancements that interact with the CO module can also trigger this error.
  
  Solutions:
  
  
  Check Data Consistency:
  
  Use transaction codes like CKM3N or KSB1 to check for inconsistencies in the cost