Hearth Crashing/stopping

From time to time, i get this message

"Exception occured in coroutine: ˜.: Exception was thrown by coroutine ---> System.NullReferenceException: Object reference not set to an instance of an object.
at Ÿ˜.ž˜.„.™(HSCard ™, List`1 †)
at ˜..(Card ˜, List`1 )
at ˜..ˆ.()
at Triton.Bot.Coroutine.Resume(Object& )
--- End of inner exception stack trace ---
at Triton.Bot.Coroutine.Resume(Object& )
at Triton.Bot.Coroutine.Resume()
at ˜.ˆ.()
at ˜.š˜.—˜(Object ˜˜)"


And bot just stops, any idea?