Diagnosis
The communication system for the non-ABAP system &V1& waschanged.

System Response
Users and passwords for the deploy service (such as the SDM password)are not transferred from the old communication system to the newcommunication system.

Procedure
You need to reenter the usres and passwords for the deployment methodsyou use (SDM, SLD, and so on). (Transport Tool tab page -> Goto ->SDM/DC User/PW, ...).