Unable to get the response from action file


I am new in RASA. I am unable to get response from the action field even though I have written all the code. Earlier it is working fine but now it is not providing any response. Is there any one who can help in this case? Please find the attached screenshot for the same. Also, I have added print statement in the action field to understand this issue better but unfortunately did not get any clue yet ?

Thanks in advance

Regards, Himanshu Yadav