因為目前的工作階段正在改變其類型，所以函數失敗。當目前的工作階段正在改變其類型時，不能呼叫這個函數。目前有三種工作階段類型: 主控台、中斷連線及遠端。

The function failed because the current session is changing its type. This function cannot be called when the current session is changing its type. There are currently three types of sessions: console, disconnected and remote.