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.