How To Fix RU300 - Controlling area of work center (&) differs from order (&)

RU300 - Overview

• Message type: E = Error

• Message class: RU - Messages for order completion confirmation

• Message number: 300

• Message text: Controlling area of work center (&) differs from order (&)

What causes this issue?

The controlling area of the work center does not correspond to that of
the order. You can only enter work centers from plants that correspond
to that of the order.
A work center or order is assigned to a controlling area via a plant
and company code.

How to fix this error?

You should enter a work center from a plant that corresponds to the
controlling area of the order.

Error message extract from SAP system. Copyright SAP SE.

RU300 - Details

• The SAP error message RU300 indicates that there is a mismatch between the controlling area of a work center and the controlling area of the order you are trying to process. This error typically arises in the context of production orders, where the system expects both the work center and the order to belong to the same controlling area for proper cost accounting and reporting.
  
  Cause:
  
  Different Controlling Areas: The work center is assigned to one controlling area, while the production order is assigned to a different controlling area.
  
  Configuration Issues: There may be a configuration issue in the assignment of work centers to controlling areas or in the creation of the production order.
  Data Entry Errors: Incorrect data entry when creating the work center or the production order can lead to this mismatch.
  
  
  Solution:
  
  
  Check Work Center Assignment:
  
  Go to the work center configuration in SAP (Transaction code: CR01 or CR02).
  Verify the controlling area assigned to