> For the complete documentation index, see [llms.txt](https://manual-1-3.karamba3d.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://manual-1-3.karamba3d.com/troubleshooting/4.2-karamba3d-does-not-work-for-unknown-reason.md).

# 4.2: Support

Questions or concerns regarding your Grasshopper definitions should be posted in the Discussion Forums of our [Grasshopper Group](http://www.grasshopper3d.com/group/karamba) or at [McNeel Forums](https://discourse.mcneel.com/c/grasshopper/karamba). We regularly give feedback on the forums and this enables the wider Grasshopper community to also contribute and gain knowledge from the discussion.

## Other problems

In case you encounter any further problems please do not hesitate to contact us at <info@karamba3d.com>.