How To Fix PPEACT121 - Only the first setup activity under &1 &2 can have a setup group

PPEACT121 - Overview

• Message type: E = Error

• Message class: PPEACT - Messages for iPPE ACT Application (Activities)

• Message number: 121

• Message text: Only the first setup activity under &1 &2 can have a setup group

What causes this issue?

In an operation, only the first setup activity can be assigned a setup
group and setup key. This setup activity must be the first activity
of the operation.

System Response

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

How to fix this error?

Correct your data in &v1& &v2&.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

PPEACT121 - Details

• The SAP error message PPEACT121 indicates that there is an issue with the setup activities in a production planning or process order context. Specifically, it states that only the first setup activity under a particular operation (identified by &1 and &2) can have a setup group assigned to it. This is a validation rule in SAP to ensure that setup groups are used correctly in the context of production planning.
  
  Cause:
  The error typically arises when:
  
  You have defined multiple setup activities for a single operation, and more than one of these activities has been assigned a setup group.
  The system is designed to allow only the first setup activity to have a setup group, as subsequent activities are expected to be part of the same setup and do not require separate setup groups.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review Setup Activities: Go to the operation in question and review the