How To Fix CN338 - Cannot delete, reference fields are still assigned to event &

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 338

• Message text: Cannot delete, reference fields are still assigned to event &

What causes this issue?

You want to delete an event that still has reference fields assigned.

System Response

You cannot delete the event.

How to fix this error?

In Customizing check the <DS:SIMG.SIMG_OLPR_TCNTM01F>Assignment of
Events to Reference Dates</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN338 - Cannot delete, reference fields are still assigned to event & ?

  The SAP error message CN338 indicates that you are trying to delete a reference field that is still assigned to an event in the system. This typically occurs in the context of project management or controlling modules, where certain fields or elements are linked to events, and the system prevents deletion to maintain data integrity.
  Cause:
  The error occurs because:
  
  The reference field you are trying to delete is still linked to an event or a project.
  There are dependencies or relationships that need to be resolved before the deletion can take place.
  The system is designed to prevent accidental loss of data that might be critical for reporting or project tracking.
  
  Solution:
  To resolve the CN338 error, you can follow these steps:
  
  
  Check Assignments: 
  
  Navigate to the relevant transaction or area in SAP where the reference field is assigned.
  Use transaction codes like CJ20N (Project Builder) or CJ02 (Change Project) to check the assignments of the reference field to events.
  
  
  
  Remove Assignments:
  
  If you find that the reference field is indeed assigned to an event, you will need to remove these assignments first.
  Go to the event or project where the reference field is linked and delete or change the assignment.
  
  
  
  Delete the Reference Field:
  
  Once all assignments are removed, you can attempt to delete the reference field again.
  
  
  
  Check for Dependencies:
  
  Ensure that there are no other dependencies or links that might be preventing the deletion. This may involve checking related objects or configurations.
  
  
  
  Consult Documentation:
  
  If you are unsure about the implications of deleting the reference field, consult your project documentation or SAP help resources.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists or if you are unsure about the steps, consider reaching out to your SAP support team or consulting SAP Notes for specific guidance related to your version of SAP.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N, CJ02, CJ03 (Display Project), and CN41 (Project Overview).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Data Integrity: Understand the importance of maintaining data integrity in project management and how deletions can affect reporting and analysis.
  
  By following these steps, you should be able to resolve the CN338 error and successfully delete the reference field.