How To Fix CJ579 - Activity elements can only be created for activities.

CJ579 - Overview

• Message type: E = Error

• Message class: CJ - Project master data and structure

• Message number: 579

• Message text: Activity elements can only be created for activities.

What causes this issue?

Activity elements can only be created, if activities exist for the WBS
element and are shown.

System Response

Entry not possible.

How to fix this error?

Show the activities or create a new activity. The activity element can
only be inserted under an activity.

Error message extract from SAP system. Copyright SAP SE.

CJ579 - Details

• The SAP error message CJ579 indicates that you are trying to create an activity element for a project element that is not an activity. In SAP Project System (PS), activity elements can only be associated with activities, not with other project elements like WBS (Work Breakdown Structure) elements or networks.
  
  Cause:
  The error occurs when:
  
  You attempt to create an activity element for a project element that is not classified as an activity.
  The system expects the project element to be an activity, but it is a different type of element (e.g., WBS element).
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Project Structure:
  
  Ensure that you are trying to create the activity element under the correct project structure. Verify that the parent element is indeed an activity.
  
  
  
  Create an Activity:
  
  If you need to create an activity element, first create an activity in the project. You can do this by navigating to the appropriate