How To Fix GA128 - Activity type & not of "indirect determination" category

GA128 - Overview

• Message type: E = Error

• Message class: GA - Allocations

• Message number: 128

• Message text: Activity type & not of "indirect determination" category

What causes this issue?

In the current segment you used activity type &V1& of category &V2& to
define the sender. However, as the segment is laid out for indirect
calculation of sender activity quantities, or is based on fixed sender
or receiver quantities (see the sender and receiver rules), only
activity types of category 2, "Indirect determination and allocation",
can be used in this segment.

System Response

The SAP System does not accept this activity type. The sender belonging
to it is invalid and will be ignored.

How to fix this error?

Use only category 2 activity types, "Indirect determination and
allocation", for the senders in this segment.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GA128 - Activity type & not of "indirect determination" category ?

  The SAP error message GA128 indicates that the activity type specified is not categorized as "indirect determination." This typically occurs in the context of cost accounting and activity type planning within SAP's Controlling (CO) module. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Activity Type Configuration: The activity type you are trying to use is not set up for indirect determination. In SAP, activity types can be categorized as either direct or indirect, and this error suggests that the system is expecting an indirect activity type.
  Master Data Issues: The activity type may not be properly defined in the system, or it may not be assigned to the correct cost center or internal order.
  Incorrect Assignment: The activity type might be assigned to a cost center or internal order that does not support indirect activity allocation.
  
  
  Solution:
  
  
  Check Activity Type Configuration:
  
  Go to the configuration settings for activity types in SAP (Transaction code: