[cammoammo]

Did you active the buttons file in the JSGME?

If using HSFX or Ultra@pack your buttons file should go here
\Il-2 Sturmovik\Files\gui\game

Also make sure the Me 262B-1a folder has a Files folder in it, with the 3do and and some random numbered files in

Planemad

buttons isnt in jsgme
do you mean Me 262B-1a/files/3do or Me 262B-1a/3do