When i run ras i am getting this error on terminal;
rasa.core.domain.InvalidDomain: Domain specification has changed. You MUST retrain the policy. Detected mismatch in domain specification. The following states have been
- removed: slot_option_type_3,slot_location_option_2
sys:1: RuntimeWarning: coroutine ‘Loop.create_server’ was never awaited
WHat cause this error and how to resolve this?