How To Fix CMT2034 - Predecessor has not yet been saved to the database

SAP Error Message - Details

• Message type: E = Error

• Message class: CMT2 - Add-On Version: Message Class in CM Environment

• Message number: 034

• Message text: Predecessor has not yet been saved to the database

What causes this issue?

You are trying to create a successor via an API. The predecessor has
already been created, although it has not yet been posted in the
database.

System Response

The successor cannot be created.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CMT2034 - Predecessor has not yet been saved to the database ?

  The SAP error message CMT2034, which states "Predecessor has not yet been saved to the database," typically occurs in the context of project management or production planning within SAP. This error indicates that there is an attempt to create or modify a successor task or activity that is dependent on a predecessor task that has not yet been saved in the database.
  Cause:
  
  Unsaved Predecessor Task: The predecessor task has been created but not yet saved. This means that the system does not recognize it as a valid entry in the database.
  Transaction Sequence: The sequence of operations may be incorrect, where the system is trying to link tasks before the predecessor has been committed to the database.
  Session Issues: If multiple sessions are open, changes made in one session may not be reflected in another until saved.
  
  Solution:
  
  Save the Predecessor Task: Ensure that the predecessor task is saved before attempting to link it to a successor. You can do this by clicking the "Save" button in the SAP GUI.
  Check for Errors: If there are any errors preventing the predecessor from being saved, resolve those first. Look for any validation messages or issues that need to be addressed.
  Refresh the Session: If you have multiple sessions open, refresh or close and reopen the session where you are trying to create the successor task to ensure that all data is up to date.
  Recreate the Link: After saving the predecessor, try to recreate the link to the successor task.
  
  Related Information:
  
  Transaction Codes: This error may occur in various transaction codes related to project management (e.g., CJ20N for Project Builder, CProject for Project Management).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Refer to SAP documentation for project management or production planning for more details on task dependencies and how to manage them effectively.
  User Permissions: Ensure that you have the necessary permissions to create and save tasks in the system.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP support team or refer to SAP community forums for further assistance.