How To Fix CJ051 - WBS element & is not an account assignment element

CJ051 - Overview

• Message type: E = Error

• Message class: CJ - Project master data and structure

• Message number: 051

• Message text: WBS element & is not an account assignment element

What causes this issue?

Because the WBS element &V1& is not defined as an
<GL:account_assignment_element>account assignment element</>, you
cannot make any actual or commitment postings.

System Response

INCLUDE 'NA_ALLG_NOVERARBEITUNG' OBJECT DOKU ID TX

How to fix this error?

You can correct this by entering a WBS element that is defined as an
account assignment element.
If you want to post to WBS element &V1& then you must first get it
changed into an account assignment element by the system administrator
or other authorized person such as the project manager.
Procedure for system administrator:
Set the account assignment indicator for the WBS element &V1&.

Error message extract from SAP system. Copyright SAP SE.

CJ051 - Details

• The SAP error message CJ051 indicates that the Work Breakdown Structure (WBS) element you are trying to use is not recognized as a valid account assignment element. This typically occurs when you attempt to assign costs or revenues to a WBS element that is either not properly configured or not allowed for the specific transaction you are trying to perform.
  Causes of Error CJ051
  
  WBS Element Not Created or Inactive: The WBS element may not have been created in the system, or it may be inactive.
  Incorrect Status: The WBS element might be in a status that does not allow for account assignments (e.g., it could be locked or in a closed project).
  Missing Configuration: The WBS element may not be configured correctly in the project system settings.
  Hierarchy Issues: The WBS element may not be part of the correct project hierarchy or may not be linked to a project definition.
  Authorization Issues: The user may