How To Fix KS187 - Activity type &1 has already been selected for creation

KS187 - Overview

• Message type: E = Error

• Message class: KS - RK-S Master Data Maintenance

• Message number: 187

• Message text: Activity type &1 has already been selected for creation

What causes this issue?

Activity type &v1& has been been found again in the entry list.
This activity type has already been marked for creation, but can only
be created via a BAPI callup for a single time interval, and may not
already exist on the database.

System Response

The system deactivates the current entry in the list of activity types
to be added. Only the initial entry for the activity type is retained
as active.

How to fix this error?

If you want to create additional time intervals for the activity type,
you should use the standard transactions for activity types.

Error message extract from SAP system. Copyright SAP SE.

KS187 - Details

• The SAP error message KS187 indicates that an activity type you are trying to create has already been selected for creation in the system. This typically occurs in the context of controlling (CO) when you are working with activity types in cost centers or internal orders.
  
  Cause:
  The error is triggered when:
  
  You attempt to create an activity type that already exists in the system.
  There may be a duplicate entry in the system, or the activity type is already in use in another context.
  
  
  Solution:
  To resolve the KS187 error, you can take the following steps:
  
  
  Check Existing Activity Types:
  
  Navigate to the relevant transaction (e.g., KS01 for creating activity types).
  Check if the activity type you are trying to create already exists. You can do this by using the transaction KS02 (Change Activity Type) or KS03 (Display Activity Type).
  
  
  
  Use Existing Activity Type:
  
  If the activity type already exists, consider using it instead of creating a new one. You