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

SAP Error Message - Details

• 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 the following steps:
  
  
  Check Relationship Type: Review the type of relationship you are trying to create. Ensure that it is valid for the activities involved. Common relationship types include Finish-to-Start (FS), Start-to-Start (SS), Finish-to-Finish (FF), and Start-to-Finish (SF). Make sure you are using a relationship type that is supported for the activities in question.
  
  
  Review Activity Grouping: If you are working with a group of activities, ensure that you are not trying to create a relationship that is not allowed. You may need to break down the group into individual activities and establish relationships accordingly.
  
  
  Check Configuration Settings: Consult with your SAP configuration team to verify if there are any settings that might be restricting the creation of certain relationships. Adjustments may be needed in the project system configuration.
  
  
  Data Validation: Ensure that all necessary data for the activities and their relationships is complete and accurate. Check for any missing or incorrect entries in the project structure.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on relationships in project management. This can provide insights into what is supported and how to properly configure relationships.
  
  
  Testing: After making changes, test the creation of the relationship again to see if the error persists.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N (Project Builder) or CN41 (Project Structure Overview) to help navigate and troubleshoot project structures.
  User Roles: Ensure that you have the appropriate permissions to create and modify relationships in the project system.
  
  If the issue persists after following these steps, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.