How To Fix KJ001 - (Error in) routine &: & = '&' not defined

KJ001 - Overview

• Message type: E = Error

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

• Message number: 001

• Message text: (Error in) routine &: & = '&' not defined

What causes this issue?

A system error occurred.

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?

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 KJ001 - (Error in) routine &: & = '&' not defined ?

  The SAP error message KJ001 typically indicates that there is an issue with a routine or function that is expected to be defined but is not found in the system. This error often occurs in the context of SAP Controlling (CO) or when working with cost center accounting, internal orders, or other related modules.
  
  Cause:
  
  Undefined Routine: The error suggests that a specific routine (identified by the & symbol) is not defined in the system. This could be due to a missing configuration or a custom routine that has not been implemented.
  Incorrect Configuration: The configuration settings in the controlling area or the specific application may not be set up correctly, leading to the system being unable to find the required routine.
  Transport Issues: If the routine was recently transported from another system (e.g., development to production), it may not have been included in the transport request or may not have been activated properly.
  Custom