How To Fix EM429 - Activity group is used in catalog &2 in project &1

EM429 - Overview

• Message type: E = Error

• Message class: EM - IS-U Migration

• Message number: 429

• Message text: Activity group is used in catalog &2 in project &1

What causes this issue?

You tried to delete the activity group. This is not possible because
the activity group is used in catalog &V2& in project &V1&, at
directory level &V3& with question &V4&.

System Response

INCLUDE ISU_VERARB OBJECT DOKU ID TX

How to fix this error?

Use a different activity group in catalog &V2&.

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.

EM429 - Details

• The SAP error message EM429 indicates that an activity group is being used in a catalog that is associated with a specific project. This typically occurs in the context of project management or project systems within SAP, where activity groups are used to define a set of activities that can be assigned to a project.
  
  Cause:
  The error occurs when you attempt to delete or modify an activity group that is currently in use within a project catalog. This can happen if:
  
  The activity group is linked to one or more projects.
  You are trying to perform an operation that is not allowed because the activity group is still active or referenced in the project.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Usage: Identify where the activity group is being used. You can do this by:
  
  Navigating to the project management module and checking the project details.
  Using transaction codes like CJ20N (Project Builder)