program crashes when use external texture editor to edit texture, save and then press undo
STEPS TO REPRODUCE 1. Launch iClone 6 2. Navigate to Menu > File > Import Settings, check the box for "External Texture" 3. Navigate to Menu > Create > Primitive Shape, apply Sphere 4. Go to Modify > Material > Texture Settings, double-click "Diffuse Channel", load a random image 5. Click "Embed Texture" 6. Click "Launch" to P-Shop, press "Ctrl+S" to save 7. Click 3D View 8. Click Undo twice, Embed Texture effect disappear 9. Do some edit jobs on P-Shop panel, press "Ctrl+S" to save, click anywhere on iClone 6 10. Click "Undo" on Toolbar
