What does it mean when it says process. com android. bluetooth has stopped

[RobinSmock]

I tried to use my bluetooth speaker

 

[anon(238680)]

Welcome to the forums. Processes sometimes get confused, or something else affects them and they just stop because they don't know what to do. I would reboot the phone and try again, should be okay. If you have an ongoing problem you may need to have the phone looked at.