Error: Json.parse: Unexpected Non-whitespace Character After Json Data

I have a problem with Json pars, I have seen tons of users had this problem I saw them all but I couldn't understand where my error is in my code! Sorry if this is duplicate! First

Solution 1:

Found the problem..the problem was that my host provider send me some code together with my json response so the response from json was invalid..! Thank you for your feedback!