How To Fix TW383 - Package changed; new transport layer is &1

SAP Error Message - Details

• Message type: E = Error

• Message class: TW - R3trans - Messages

• Message number: 383

• Message text: Package changed; new transport layer is &1

What causes this issue?

When transporting entire development classes (transport type "E"), the
transport layer of the development class is automatically adjusted to
the system infrastructure in the new original system. The relevant
table entry is changed during the export.
After successful export, the new transport layer &1 is assigned to the
development class in the source system.
The development class in the target system is assigned to the new
transport layer &1 when the request is imported.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TW383 - Package changed; new transport layer is &1 ?

  The SAP error message TW383 ("Package changed; new transport layer is &1") typically occurs in the context of transport management in SAP systems. This message indicates that a package (or transport request) has been modified after it was created, and as a result, the transport layer associated with that package has changed.
  Cause:
  
  Modification of Package: The package associated with the transport request has been modified after the transport request was created. This can happen if changes are made to the package in the development environment.
  Transport Layer Change: The transport layer of the package has been altered, which can occur due to changes in the configuration or structure of the transport landscape.
  Inconsistent Transport Request: The transport request may have become inconsistent due to changes in the development objects or the package structure.
  
  Solution:
  
  Check Package Changes: Review the changes made to the package. If the package was modified, you may need to revert those changes or create a new transport request.
  Recreate Transport Request: If the transport request is inconsistent, consider recreating it. This involves creating a new transport request and re-adding the necessary objects.
  Adjust Transport Layer: Ensure that the transport layer is correctly configured. You may need to check the transport layer settings in the Transport Management System (TMS).
  Transport Organizer: Use the Transport Organizer (SE09 or SE10) to analyze the transport request and see if there are any inconsistencies or issues that need to be resolved.
  Consult Documentation: Refer to SAP documentation or notes related to transport management for any specific guidance or updates regarding this error.
  
  Related Information:
  
  Transport Management System (TMS): Familiarize yourself with TMS, as it is crucial for managing transport requests and packages in SAP.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common issues.
  System Logs: Review system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  Development Guidelines: Ensure that development guidelines are followed to minimize the risk of package changes after transport requests are created.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.