Player dead and respawn at checkpoint controller is crash

[molazsey]

When my player dead and respawn at checkpoint the controller is crash like press W it's go backward press S it's go Forward.How to fix this

and it error "NullReferenceException: Object reference not set to an instance of an object

                    Ivector.vGameController+<Spawn>c__Iterator0.MoveNext() at asset......................vGameController.cs:116"