XF 2.0 problem to create an addon on xenforo 2.0

[CRUEL-MODZ]

hello,
here I want to create a xenforo extension on XF2.0 there is a problem when I put an ID could you help me => http://prntscr.com/ho12q2 I am on Windows 10
cordially

 

[Chris D]

Could you attempt to translate the error into English please?

 

[CRUEL-MODZ]

My problem is resolved this an error of my by I had not started my localhost sorry for the inconvenience

 

[CRUEL-MODZ]

can you give me an example to develop a new page in Account car on XF 1 I'm going to develop a page of statistics I'd like to redo it under XF 2