PHP/SQL issue while logging in from android app

Job ID: 34222067

Budget: ₹600 – ₹1,500 INR

I am getting an error "Unexpected character encountered while parsing value: <.Path ", line0, position 0." when i try to login from my mobile app which is connected to my PHP website. The app is working fine...its just a small backend issue and i need this fixed very urgently.
Related categories: PHP Android MySQL HTML phpMyAdmin