Saving DDs format Help

Mu online season 21 - grand opening

Sanity

LOMCN VIP
VIP
Nov 7, 2007
3,882
187
280
I have to save my WoOOL images under..
DXT5_NM XY 8 bpp | using DXT5

In photoshop, i done this for weeks without any problem but now when i save the image gets split up, like this
testiny.jpg


Not messed with any of PS options or anything so am not sure why this is happening, maybe my brother has am not sure, anyone know how i can sort this?.

Edit: Fixed. Turned off "No MIP maps".