How To Fix CN377 - Activity &1 in network &2 has already been released. Cannot delete

CN377 - Overview

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 377

• Message text: Activity &1 in network &2 has already been released. Cannot delete

What causes this issue?

You only delete activities, if the have the status 'created'; afterwards
you can only set a deletion flag.

System Response

INCLUDE 'NA_ALLG_NOVERARBEITUNG' OBJECT DOKU ID TX

How to fix this error?

To set a deletion flag for an activity, select the activity on the
network overview screen and choose <ls>Edit -> Status -> Deletion flag
</>.
For more information about deleting and archiving, see the SAP Library
under <LS>Cross Application Components -> Archiving Application Data</>.

Error message extract from SAP system. Copyright SAP SE.

CN377 - Details

• The SAP error message CN377 indicates that you are trying to delete an activity in a network that has already been released. In SAP Project System (PS), once a network or its activities are released, they are considered to be in a state where they can be processed (e.g., for actual postings, confirmations, etc.). Deleting a released activity is not allowed to maintain data integrity and ensure that all transactions related to that activity are properly accounted for.
  
  Cause:
  
  Released Status: The activity you are trying to delete has been released, meaning it is in a state where it is actively being used in the system.
  Data Integrity: SAP enforces rules to prevent the deletion of data that could affect financial reporting or project tracking.
  
  
  Solution:
  To resolve this error, you have a few options:
  
  
  Reverse the Release:
  
  If you need to delete the activity, you must first reverse the release status. This can typically be done