need help with an issue I'm having with the kh2 model viewer!

Hey guys I'm having an issue with tryin to drag a mdlx file into the kh2 model viewer, the file I'm tryin to drag into it is the P_EX100_BLTF.mdlx file and every single effin time I try to drag the damn file into the model viewer I get this message.D=<

Spoiler: message

Any advise to help me fix this is greatly appreciated.


Thank you!^ ^