How To Fix KT170 - Only company code & can be assigned

KT170 - Overview

• Message type: E = Error

• Message class: KT - RK Message Table Maintenance

• Message number: 170

• Message text: Only company code & can be assigned

What causes this issue?

If the <GL:assignment_control>assignment control</> indicator is set to
1, you cannot chose the controlling area key freely. It must be
identical to the assigned company code key. You can only change the
assignment to controlling area &V1& because the controlling area name
&V1& has already been defined.

How to fix this error?

Change the assignment so that only company code &V1& is still assigned.

Error message extract from SAP system. Copyright SAP SE.

KT170 - Details

• The SAP error message KT170 ("Only company code & can be assigned") typically occurs when there is an attempt to assign a controlling area to a company code that is not compatible with the existing configuration. This error is related to the assignment of company codes to controlling areas in the SAP system, particularly in the context of controlling (CO) and financial accounting (FI).
  
  Cause:
  
  Incompatible Company Code and Controlling Area: The company code you are trying to assign to a controlling area is already assigned to a different controlling area, or the controlling area is not set up to accept that company code.
  
  Configuration Issues: The controlling area may not be configured correctly to include the company code you are trying to assign.
  Company Code Already Assigned: The company code may already be assigned to another controlling area, which is not allowed.
  
  
  Solution:
  
  
  Check Existing Assignments:
  
  Go to the transaction code OBY6 (or SPRO -> Financial