custom loading screen error with dayz 1.8

[Quarterbreed]

i get this error when my mission loads "image mpmissions/__cur_mp.chernarus dayz bg.jpg dimensions 1024 x 768 not 2^n"
my picture res is set at 1024 x 768.. is that my prob

 

[prominentalex]

You need 2048x1024 or 1024x512