Help on the texture of this model

[slugguh]

Okay so I tried everything, Im stuck because when I import this model into games after removing the text from above the model the texture of the model wont wrap onto it. Can someone fix the texture to work after taking the text off it?
[URL="http://p3dm.ru/files/7485_warehouse-building-.html"]http://p3dm.ru/files/7485_warehouse-building-.html[/URL]

[editline]14th June 2016[/editline]

I just need a fixed texture