Here's how it happened
Loaded local keybinder project.
Loaded codeblocks project from svn \trunk\src
closed keybinder project
closed codeblocks project
opened workspace project from svn \trunk\src
[attachment deleted by admin]
Try again. The ContribPlugins.workspace file was invalid...
I know for sure that happens when Code::Blocks crashes on exit after you've created a new project. :o