Atlases not working

[Dumbdumb]

What is up with the atlas maker tool? I can't delete or add atlases. I tried to add three more textures to an atlas and all my textures were destroyed.

So I went to the wooden atlas and tried to delete the largest texture, the wood plank, and even the example atlases are doing the same, what gives?

[Dumbdumb]

I am going to go off the example atlases as this is easier to identify what's going on. So if I delete the flags everything is okay. But if I delete the screw or the checkmark everything except the NGUI logo and the wooden panel turns white.

[Dumbdumb]

attached is the NGUI wooden atlas with only a few components deleted

[Dumbdumb]

Here's what happens if you delete the wood only, every other texture in the atlas is there

[ArenMook]

You need to save the scene after every modification to the atlas. It tells you this in the console log...