How To Fix CNIF_PI073 - The main activity &1 is an activity element itself

CNIF_PI073 - Overview

• Message type: E = Error

• Message class: CNIF_PI - BAPI Notifications of Project System

• Message number: 073

• Message text: The main activity &1 is an activity element itself

What causes this issue?

The new activity element &V2& that is to be created requires a main
activity as a reference. The main activity &V1&, however, is an
activity element itself.

System Response

The activity element is not created. The individual BAPI finishes with
errors.

How to fix this error?

Specify a real main activity for the new activity element that is to be
created.

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 CNIF_PI073 - The main activity &1 is an activity element itself ?

  The SAP error message CNIF_PI073 indicates that there is an issue with the structure of your project or network in the Project System (PS) module. Specifically, it means that the main activity you are trying to assign or reference is itself an activity element, which is not allowed in the context you are working in.
  
  Cause:
  This error typically occurs in the following scenarios:
  
  Incorrect Assignment: You are trying to assign an activity element as a main activity in a project or network where it is not valid to do so.
  Hierarchy Issues: The structure of your project or network may have been set up incorrectly, leading to a situation where an activity is being treated as both a main activity and a subordinate activity.
  Configuration Errors: There may be configuration settings in your project that do not allow for the current structure you are trying to implement.
  
  
  Solution:
  To resolve the CNIF_PI073 error, you can take