error while running rasa run actions

(rasa_env1) C:\Users\1535292\Desktop\rasa_project1>rasa run actions 2020-08-27 17:43:55 INFO rasa_sdk.endpoint - Starting action endpoint server… 2020-08-27 17:43:55 INFO rasa_sdk.executor - Registered function for ‘admission_form’. 2020-08-27 17:43:55 INFO rasa_sdk.endpoint - Action endpoint is up and running on http://localhost:5055 Exception occurred while handling uri: unknown NoneType: None