How To Fix EA453 - Predecessor & of extension & is not released

SAP Error Message - Details

• Message type: E = Error

• Message class: EA - IDoc Basis Messages

• Message number: 453

• Message text: Predecessor & of extension & is not released

What causes this issue?

You want to create extension &v2& as a successor of extension &v1&.
However, extension &v1& is not yet released.

System Response

Extension &v2& cannot be created.

How to fix this error?

Release extension &v1&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EA453 - Predecessor & of extension & is not released ?

  The SAP error message EA453, which states "Predecessor & of extension & is not released," typically occurs in the context of project management or when dealing with the Project System (PS) module in SAP. This error indicates that there is a predecessor task or activity that has not been released, which is preventing the extension or subsequent task from being processed.
  Cause:
  
  Predecessor Not Released: The predecessor activity or task that is required to be completed before the current task can proceed has not been released. In SAP, tasks must be released to indicate that they are ready for execution.
  Incorrect Status: The status of the predecessor task may be set to a status that does not allow for further processing (e.g., "Not Released").
  Project Structure Issues: There may be issues with the project structure or dependencies that are not correctly defined.
  
  Solution:
  
  
  Release the Predecessor Task:
  
  Navigate to the predecessor task in the project structure.
  Check the status of the task and ensure it is set to "Released."
  If it is not released, you can release it by using the appropriate transaction code (e.g., CJ20N for project management) and selecting the release option.
  
  
  
  Check Dependencies:
  
  Review the dependencies between tasks to ensure that they are correctly defined.
  Make sure that all predecessor tasks are completed and released before attempting to extend or process the current task.
  
  
  
  Review Project Structure:
  
  Ensure that the project structure is correctly set up and that all necessary tasks are included.
  If there are any inconsistencies, correct them in the project management module.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on managing project tasks and their statuses.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N (Project Builder), CJ02 (Change Project), and CJ03 (Display Project) to manage project tasks effectively.
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address the issue.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to release tasks and make changes to project structures.
  
  By following these steps, you should be able to resolve the EA453 error and proceed with your project management tasks in SAP.