transparency in mohradiant is gone

[Guest]

did a complete reinstall of my system today (got slower than my brains...).
Now the textures with alphachannel(?) like barbed wire or trees show the black parts that were transparent before.
What did I forget?

[jv_map]

To click the blue 'A' in the top toolbar on the right hand side.

[Guest]

[jv_map]

:):):):)