You have extract the AdvancedEditingPlugin-src.zip file.
You need only the AdvancedEditing.sh3p file to be copy in plugins directory.
Solution:
1. Go in /home/luis/.eteks/sweethome3d/plugins/ and delete all.
2. Download AdvancedEditing.sh3p file and copy in plugin directory.
3. Start SH3D program.
P.S. That's how to install plugins in SH3D.