Diagnosis
The transport layer &V1& is to be assigned to the SAP system &V2& as thestandard transport layer.
The system should only be assigned transport layers for which there is atransport route whose integration system is &V2&. In special cases thestandard transport layer can still be used to control archiveddevelopments using CHECKIN-CHECKOUT.

System Response
You can use this layer.

Procedure
If archived developments are not involved then use a valid transportlayer or first create a transport route with:
Source system &V2&
Transport layer &V1&
Transport target