How To Fix CTSPRJ084 - Predecessor-successor relationships not possible for this request type

SAP Error Message - Details

• Message type: E = Error

• Message class: CTSPRJ - CTS: Projects

• Message number: 084

• Message text: Predecessor-successor relationships not possible for this request type

What causes this issue?

You can only create predecessor-successor relationships between
transportable change requests and between Customizing requests. Only
these request types are used for normal transports of changes, and can
be assigned to projects.

System Response

The function terminates.

How to fix this error?

Choose a transportable change request or a Customizing request.

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 CTSPRJ084 - Predecessor-successor relationships not possible for this request type ?

  The SAP error message CTSPRJ084 indicates that there is an issue with the predecessor-successor relationships for a specific request type in the SAP system, particularly in the context of project management or production planning. This error typically arises when trying to establish a dependency between tasks or activities that are not compatible due to the request type or other constraints.
  Cause:
  
  Incompatible Request Types: The predecessor and successor tasks may belong to different request types that do not allow for such relationships.
  Project Structure Issues: The project structure may not support the defined relationships due to configuration settings or project type restrictions.
  Missing or Incorrect Settings: There may be missing settings in the project profile or configuration that prevent the establishment of these relationships.
  Status of Tasks: The status of either the predecessor or successor task may not allow for the creation of a relationship (e.g., if one is completed or closed).
  
  Solution:
  
  Check Request Types: Verify that both the predecessor and successor tasks are of compatible request types. If they are not, consider changing one of the tasks to a compatible type.
  Review Project Structure: Ensure that the project structure allows for the defined relationships. This may involve checking the project profile settings.
  Adjust Task Status: Make sure that the statuses of the tasks involved allow for the creation of predecessor-successor relationships. If necessary, change the status of the tasks.
  Consult Documentation: Review SAP documentation or configuration guides related to project management and request types to ensure that all settings are correctly configured.
  Use Transaction Codes: Utilize relevant transaction codes (like CJ20N for project management) to check the details of the tasks and their relationships.
  Seek Help from SAP Support: If the issue persists, consider reaching out to SAP support for further assistance, providing them with the error message and context.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes related to project management (e.g., CJ20N, CJ02) to navigate and troubleshoot effectively.
  SAP Notes: Check for any SAP Notes that may address this specific error or provide additional guidance on handling predecessor-successor relationships.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the root cause of the error and implement a suitable solution.