A fix with the roadmap creation, thanks to @Merlyn for reporting!
There is a change in the sql database so deleting the data folder is required.

- Comments in the language file were missing '#'s
- /roadmap create works again and the new roadmap will have no visualizer by default.
use /pathvisualizer create <type> <name> to create a visualizer and apply it to the roadmap with /roadmap edit <roadmap> visualizer <visualizer>.
This will throw an exception, but the visualizer is set and you are ready to use /find with particles