Lumia 520 Unlock problem with LMClient
 

I´m trying to unlock Lumia 520 RM-915 with Lumia Unlock/Flasher Client by Infinity but when click unlock always get server error, all help will be well received, thanks in advance. I left an image of the process in this link.
http://prntscr.com/kwb9wf

Hello!
Can you leave your contact details ( skypr or mail ) in private message. Need to check this case and make some test.