You're not alone. I have the exact same problem on Kubuntu Breezy. It's a shame since I was going to use this on a project for a co-worker's going away party.
If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
./slcreator
QPainter::begin: Cannot paint null pixmap
QPainter::setPen: Will be reset by begin()
Fatal signal: Segmentation Fault (SDL Parachute Deployed)
Ubuntu Breezy with gambas 1.0.3
slcreator 0.5.0
You're not alone. I have the exact same problem on Kubuntu Breezy. It's a shame since I was going to use this on a project for a co-worker's going away party.