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

EA453 - Overview

• 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.

EA453 - Details

• 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