So, I've tried to edit some of the textures, notably the Sam, and air base. I've exported both as bmp files(24-but) However, when I try to launch a game, I get this error:

Abort: 'Error reading bitmap'

..\..\contributions\systemIV\lib\resource\bitmap.cpp
Line number 216

So, I've tried to edit some of the textures, notably the Sam, and air base. I've exported both as bmp files of the exact same size and bit depth as the originals.. However, when I try to launch a game, I get this error: Abort: 'Error reading bitmap' ..\..\contributions\systemIV\lib\resource\bitmap.c...