Wifi says "ATHENTICATION ERROR OCCURRED" but why did it say that how do i fix it

[AC Question]

My tablet won't connect to the WiFi

 

[Shinhosuck1973]

power off and on wifi, from your device click "forget wifi" and reconnect.

 

[Mr Mendelli]

You can also try resetting your router or modem first. If that doesn't work, you may need to change your WiFi password. I got the same authentication error when I was using asterisks in my password. Other special or unicode characters may cause this problem...