Custom Map Makers

When i restarted my gtk, my map appeared empty, without any brushes and i recored it only whith 1.4 version So, i changed the way to make details on my jumps and this problem didn't appear anymore. My first suggestion is to update to 1.6.4 which is the latest version. This version is very laggy on m...

Hey guys
I have a weird faillure on GTK. Each time that gtk autosave or i save myself, this message appear

Any suggestion about the cause of this fail and how to fix it?
I use GTKradiant 1.5
Thanks