How To Fix TR_AUSL152 - You cannot modify the change piece list: Type &1 request already exists

TR_AUSL152 - Overview

• Message type: E = Error

• Message class: TR_AUSL - Software Delivery Composer Messages

• Message number: 152

• Message text: You cannot modify the change piece list: Type &1 request already exists

What causes this issue?

A delivery request already exists for delivery component &V2& (in
delivery &V3&) with type &V1&.
The relevant change piece list cannot be modified anymore.

System Response

The action was terminated.

How to fix this error?

After you create the contents of the change request with type &V1& the
first time, you cannot modify the accompanying change piece list.
Instead use a delivery request with type &V1& for this action.

Error message extract from SAP system. Copyright SAP SE.

TR_AUSL152 - Details

• The SAP error message TR_AUSL152 indicates that you are trying to modify a change piece list, but a request of the specified type already exists. This typically occurs in the context of transport requests and change management in SAP systems.
  
  Cause:
  The error is triggered when you attempt to create or modify a change piece list (which is a list of changes that are to be transported) for a transport request that already has an existing request of the same type. This can happen if:
  
  You are trying to add changes to a transport request that is already locked or has been released.
  There is a conflict with another transport request that is already in the system.
  You are trying to create a new transport request for an object that is already included in another request.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Transport Requests:
  
  Use transaction code SE09 or SE10 to check