@iichiversii said:
Ok that worked Rich, so what was wrong with my PNG ? and what should i have done to make it work?
Perhaps what you've done is export the texture and done "save as" a PNG. Which converts it to a PNG file.
But the embedded Material texture you had before that went red (named "TREE(1).PNG") was actually a jpeg with a misleading extension.
but glad you've resolve it!
Adam