Why wont my Android camera work?

[AC Question]

I have a crappy LG phone and one day I tried to open my camera but it goes back to my home screen and says "Unfortunately, camera has stopped" I tried looking at the cache and stuff but it's not an app so idk how to it's really bugging me not having a camera so can someone help??

 

[B. Diddy]

Welcome to Android Central! Which LG phone? Does this persist after a reboot, or in Safe Mode?