How To Fix KJ021 - Internal error: & & & &

KJ021 - Overview

• Message type: E = Error

• Message class: KJ - Cost Object Controlling for Make-to-Order Production

• Message number: 021

• Message text: Internal error: & & & &

What causes this issue?

Internal error. The program is not being used as intended.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Notify your system administrator.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

KJ021 - Details

• The SAP error message KJ021, which states "Internal error: & & & &", typically indicates that there is an internal issue within the SAP system that is not providing specific details about the root cause. This error can occur in various contexts, often related to the Controlling (CO) module, particularly during processes like cost allocation, internal orders, or other CO-related transactions.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as missing or incorrect entries in master data or transaction data.
  
  Configuration Issues: Incorrect configuration settings in the Controlling module can lead to internal errors.
  System Bugs: There may be bugs or issues in the SAP system version you are using, which could lead to unexpected internal errors.
  Performance Issues: If the system is under heavy load or if there are performance issues, it might lead to internal errors.
  Authorization Issues: Sometimes, lack of proper authorizations can lead to unexpected errors.
  
  Solutions:
  
  Check