How To Fix CN312 - Posting hve been made for network &1 - cannot delete

CN312 - Overview

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 312

• Message text: Posting hve been made for network &1 - cannot delete

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.

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CN312 - Details

• The SAP error message CN312 indicates that you are trying to delete a network (or activity) in Project System (PS) that has already had postings made against it. This typically occurs when there are actual costs, commitments, or other transactions that have been recorded for the network, making it impossible to delete it directly.
  
  Cause:
  
  Postings Exist: The primary reason for this error is that there are actual postings (like costs or revenues) associated with the network.
  Commitments: There may be commitments or planned costs that are linked to the network.
  Dependencies: The network may be linked to other objects or processes that prevent its deletion.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check for Postings:
  
  Use transaction codes like CJI3 (Project Actual Line Items) or CJI5 (Project Commitment Line Items) to check if there are any actual costs or commitments associated with the network.
  If there are postings, you will need to reverse or