Spring RTS Engine

i have some troubles with a map i'm making ...

i have a border where the texture seems to be missing, here is a screenshot


you can see that tree in the middle of nowhere

the map is 15x12
the size of my BMPs are :
tex : 7680x6144
height : 961x769
metal : 961x769
feature : 960x768

it worked before and somehow not it breaks
i tried recompiling, recompiling changing the texture compression rate nothing helped

can someone tell me why i have that "hole" ?

Because you cant have "odd" sizes. Your dimensions need to be a multiple of two.

Try 14 or 16.

well .. that solved it .. but i still don't know why it worked before and suddently stopped working

yeah .. i removed the image as the problem is solved ...
don't have any working host currently

I guessed that, but that pics still worth posting.