Kodi won’t launch/open (apple tv 4)

I bought an Apple TV 4 box with kodi already installed in December 2016. Since it has worked really well and has been used a lot to watch films and to series. However yesterday when I tried to open kodi by clicking on it with the Apple TV remote nothing happened. It did not launch and start so now I’m unable to acces anything on kodi as it won’t start up so I can use it. Is anyone aware of what the problem might be or how to fix it please respond as it used to be used a lot to watch films and now I’m unable to watch any.