Keeps getting error msg while trying find an id

Hey, currently im trying to mod in a game which i need the title id from and when i try typing the name in it keeps showing up this error: http://gyazo.com/ec1c26ef89b2f8bf780806250545d356 it worked totally fine earlier but atm it wont let me come through this error. does anyone please know how to fix it? i tried reinstalling it but it done nothing:/