Mount System error help

[vampirsman]

I can use Mount but can't get off need kill me anybody or teleport why how to fix it

quest kralcocuk begin
        state start begin
                        when 71124.use begin
                                        pc.mount(20118, 99999999999)
                                end
                        when 71125.use begin
                                        pc.mount(20115, 99999999999)
                                end
                        when 71126.use begin
                                        pc.mount(20116, 99999999999)
                                end
                        when 71127.use begin
                                        pc.mount(20117, 9999999999)
                                end
                        when 71128.use begin
                                        pc.mount(20113, 9999999999)
                                end
						when 71124.use begin
                                        pc.mount(20118, 999999999)
                                end
						when 71125.use begin
                                        pc.mount(20115, 999999999)
                                end
						when 71126.use begin
                                        pc.mount(20116, 999999999)
                                end
						when 71127.use begin
                                        pc.mount(20117, 999999999)
                                end
						when 71128.use begin
                                        pc.mount(20113, 999999999)
                                end
								
                        end
                   end