Why Google Play Music panel is too big

[AC Question]

Hi,

I started using Google Play Music application on my Samsung Galaxy-S5 but when I pull down the app's panel in the notification bar, it's just too big, covering most of my screen.

Any ideas why and how can I fix this?

screenshot: imgur.com/54ibcux

Thanks!

 

[dpham00]

Here is the picture that the op is referencing.