How To Fix /PLMI/PPECMP452 - &1 &2 still assigned to &3 &4

/PLMI/PPECMP452 - Overview

• Message type: E = Error

• Message class: /PLMI/PPECMP -

• Message number: 452

• Message text: &1 &2 still assigned to &3 &4

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PLMI/PPECMP452 - &1 &2 still assigned to &3 &4 ?

  The SAP error message /PLMI/PPECMP452 &1 &2 still assigned to &3 &4 typically indicates that there is an issue with the assignment of a particular object (like a project, task, or resource) in the Project Management (PM) or Project System (PS) module. This error suggests that the object you are trying to delete or change is still linked to another object, which prevents the action from being completed.
  
  Cause:
  
  Active Assignments: The object you are trying to modify or delete is still assigned to another entity (like a project, work package, or resource).
  Dependencies: There may be dependencies or relationships that have not been resolved, such as tasks that are still linked to the object.
  Incomplete Deletion: If you previously attempted to delete or change the object, it may not have been fully processed, leaving residual assignments.
  
  
  Solution:
  
  Check Assignments: Use transaction codes like CJ20N (Project Builder) or CJ03 (Display Project) to check where the object