How To Fix CJ453 - A WBS element with key "&" already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: CJ - Project master data and structure

• Message number: 453

• Message text: A WBS element with key "&" already exists

What causes this issue?

You cannot include the WBS element &V1&, because there already is a
WBS element with this identifier.

System Response

INCLUDE 'NA_ALLG_NOFUNKTION' OBJECT DOKU ID TX

How to fix this error?

Enter a different identifier for the WBS element.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CJ453 - A WBS element with key "&" already exists ?

  The SAP error message CJ453 indicates that there is an attempt to create a Work Breakdown Structure (WBS) element with a key that already exists in the system. This typically occurs when you are trying to create a new WBS element using a key (or identifier) that is already in use for another WBS element.
  
  Cause:
  
  Duplicate Key: The most common cause is that the WBS element key you are trying to use is already assigned to another WBS element in the system.
  Incorrect Data Entry: There may have been a typographical error or misunderstanding regarding the WBS element key.
  System Configuration: In some cases, the system configuration may allow for certain keys to be reused under specific conditions, but if those conditions are not met, it can lead to this error.
  
  
  Solution:
  
  
  Check Existing WBS Elements: 
  
  Use transaction code CJ20N or CJ03 to display existing WBS elements and verify if the key you are trying