How can I fix my "Unfortunately the UI system has failed" on my phone?

[AC Question]

Every time I hold down the hold button I get this message! Updated yesterday and now I get this message all the time!

 

[Golfdriver97]

Welcome to the forums. What device do you have?

 

[psnider]

Samsung Galaxy s4

 

[Javier P]

Welcome to the forums. It's a well known issue. Please, see this thread for possible solutions.

https://forums.androidcentral.com/showthread.php?t=763338
How can I fix the "com.android.systemui has stopped" error?