This is a problem that exists in all campaigns. Whenever he presses roll or tries to start a fight, this message appears

The site was working fine for me today and I tried to play but every time I tried to roll or start a fight I got a red error message that said: Error initiating encounter please try again. if you are still experiencing issues please submit a bug report.This is a problem that exists in all campaigns. Whenever he presses roll or tries to start a fight, this message appears