How To Fix GA638 - Only one controlling area can be processed in the allocation

SAP Error Message - Details

• Message type: E = Error

• Message class: GA - Allocations

• Message number: 638

• Message text: Only one controlling area can be processed in the allocation

What causes this issue?

You want to process multiple controlling areas during one allocation
run.

System Response

This is not supported by the system.

How to fix this error?

Process only one controlling area during each allocation run.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GA638 - Only one controlling area can be processed in the allocation ?

  The SAP error message GA638 ("Only one controlling area can be processed in the allocation") typically occurs during the allocation process in Controlling (CO) when you attempt to execute a transaction that involves multiple controlling areas. This error indicates that the system is designed to handle allocations for only one controlling area at a time.
  Cause:
  
  Multiple Controlling Areas: The most common cause of this error is that the allocation you are trying to perform involves cost centers or internal orders that belong to different controlling areas.
  Incorrect Configuration: There may be a configuration issue where the allocation is set up to include multiple controlling areas inadvertently.
  Data Entry Error: The user may have inadvertently selected or entered data that spans multiple controlling areas.
  
  Solution:
  
  Check Controlling Area: Ensure that all the cost centers, internal orders, or other objects involved in the allocation belong to the same controlling area. You can do this by reviewing the master data for the objects involved.
  Adjust Allocation Parameters: If you are using a report or transaction that allows you to specify the controlling area, make sure to select only one controlling area for the allocation.
  Review Configuration: If you are a system administrator or have access to configuration settings, review the allocation configuration to ensure it is set up correctly to handle only one controlling area at a time.
  Separate Allocations: If you need to allocate costs across multiple controlling areas, consider running separate allocation processes for each controlling area instead of trying to combine them into one.
  
  Related Information:
  
  Transaction Codes: This error can occur in various transactions related to allocations, such as KSV5 (Actual Distribution), KSV6 (Plan Distribution), or KSV7 (Actual Assessment).
  Documentation: Refer to SAP Help documentation for detailed information on allocation processes and controlling area settings.
  SAP Notes: Check for any relevant SAP Notes that may address this error or provide additional guidance on handling allocations in your specific version of SAP.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in Controlling (CO) to further investigate the problem.