cli.StopMedia() Dose not work

[Dontmindmes]

When i attempt to run call cli.StopMedia() it throws an error and does not stop the audio

`exit status 2
PS C:\Users\test\Documents\Visual Go Lang\GHome IPV4\GHome Adhan> go run main.go
panic: runtime error: invalid memory address or nil pointer dereference
panic: runtime error: invalid memory address or nil pointer dereference
[signal 0xc0000005 code=0x0 addr=0x0 pc=0x63239d]

goroutine 1 [running]:
github.com/barnybug/go-cast.(*Client).Close(0xc042087bb8)
C:/Users/test/go/src/github.com/barnybug/go-cast/client.go:121 +0x2d
PS C:\Users\test\Documents\Visual Go Lang\GHome IPV4\GHome Adhan> go run main.go
http://api.aladhan.com/v1/timingsByCity?city=Anaheim&country=UnitedStates&method=8
Current Isha time 18:13
09:47
panic: runtime error: invalid memory address or nil pointer dereference
panic: runtime error: invalid memory address or nil pointer dereference
[signal 0xc0000005 code=0x0 addr=0x0 pc=0x63239d]

goroutine 1 [running]:
github.com/barnybug/go-cast.(*Client).Close(0xc042087bb8)
C:/Users/test/go/src/github.com/barnybug/go-cast/client.go:121 +0x2d
panic(0x697c80, 0x86d4e0)
C:/Go/src/runtime/panic.go:505 +0x237
github.com/barnybug/go-cast/controllers.(*ReceiverController).GetStatus(0x0, 0xae4060, 0xc04206c058, 0x40e60f, 0x6a3a20, 0x6afce0)
C:/Users/test/go/src/github.com/barnybug/go-cast/controllers/receiver.go:150 +0x3e
github.com/barnybug/go-cast.(*Client).IsPlaying(0xc042087bb8, 0xae4060, 0xc04206c058, 0xae4060)
C:/Users/test/go/src/github.com/barnybug/go-cast/client.go:163 +0x4e
github.com/evalphobia/google-home-client-go/googlehome.(*Client).StopMedia(0xc042096500, 0x0, 0x0)
C:/Users/test/go/src/github.com/evalphobia/google-home-client-go/googlehome/client.go:151 +0x1b6
main.main()
C:/Users/test/Documents/Visual Go Lang/GHome IPV4/GHome Adhan/main.go:112 +0x86f
exit status 2`