How To Fix PJ600 - Relationship & to group of activities is not supported

PJ600 - Overview

• Message type: E = Error

• Message class: PJ - MPX interface messages (Download and Upload)

• Message number: 600

• Message text: Relationship & to group of activities is not supported

What causes this issue?

You have maintained relationships to collective activities in Microsoft
Project (R). The project system does not recognize collective activities

System Response

The relationship to collective activity will not be transferred during
an upload.
Collective activities will only be used to assign activities to standard
networks in an upload.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PJ600 - Relationship & to group of activities is not supported ?

  The SAP error message PJ600, which states "Relationship & to group of activities is not supported," typically occurs in the context of project management within SAP, particularly when dealing with network activities and their relationships in Project System (PS).
  
  Cause:
  This error usually arises due to one of the following reasons:
  
  
  Invalid Relationship Type: The relationship type you are trying to create between activities is not valid for a group of activities. Certain relationships are only applicable to individual activities and not to groups.
  
  
  Incorrect Activity Grouping: If you are trying to establish a relationship between a group of activities and another activity or group, it may not be supported by the system.
  
  
  
  Configuration Issues: There may be configuration settings in the project system that restrict certain types of relationships.
  
  
  Data Integrity Issues: There might be inconsistencies or missing data in the project structure that prevent the relationship from being established.
  
  
  
  Solution:
  To resolve the PJ600 error, consider