Positioner

student24

Hello

I want to do a system with one robot and a positioner, a do everythink exactly like it A?says in the help menu, but when i tray to synchronize to VC a strange Unknown Error is appearing:A?

RobotStudio .NET exception dump
===============================
Base exception:
SYS_CTRL_E_UNRESOLVED_URL: The URL used to initialize the helper does not resolve to a valid object.
ERROR: .
apid.c[4810]: org_code: -30 new_code: 0xc0048416; RobRapidTaskImpl.cpp[246];A?
A? at RobApiWrapper.RobRapidTask.GetExecutionState(UInt32 cId, RobExecutionState& state)
A? at ABBInternal.Controller.RapidHelper.IsTaskExecuting(RsTask task)
A? at ABBInternal.Controller.RapidHelper.CheckAndLogTaskSyncPreconditions(String messagePrefix, RsTask task)
A? at ABBInternal.Controller.SyncToVC.ExcludeBadTasks(List`1 tasks)
A? at ABBInternal.Controller.SyncToVC.Sync()

what am I doing wrong?? I Was traying everythink please help me :)A?