How To Fix 2054ALE021 - Assignments to WBS element only allowed in the WBS master system

2054ALE021 - Overview

• Message type: E = Error

• Message class: 2054ALE - ALE for projects

• Message number: 021

• Message text: Assignments to WBS element only allowed in the WBS master system

What causes this issue?

You have tried to assign the WBS element &v1& to the current object,
although the WBS element was created in another master system.

System Response

INCLUDE NA_ALLG_NOVERARBEITUNG OBJECT DOKU ID TX

How to fix this error?

Assign the object a WBS element, whose master system is the current
system.

Error message extract from SAP system. Copyright SAP SE.

2054ALE021 - Details

• The SAP error message 2054 ALE021 ("Assignments to WBS element only allowed in the WBS master system") typically occurs in the context of using the Application Link Enabling (ALE) technology in SAP, particularly when dealing with Work Breakdown Structure (WBS) elements in project management.
  
  Cause:
  This error arises when there is an attempt to assign or modify a WBS element in a system that is not designated as the WBS master system. In a distributed environment, WBS elements are usually managed in a specific system (the master system), and changes to these elements must be made in that system. If you try to make changes from a different system (like a satellite or child system), you will encounter this error.
  
  Solution:
  To resolve this error, you should follow these steps:
  
  
  Identify the WBS Master System: Determine which system is designated as the WBS master system. This is typically the system where the WBS elements are