Hi
I have this message "Failed to install" when I try to install anything at the palette, it's not just with the dashboard.
And it also says. "Check the log for more information", and at the log, there are these two lines:
Welcome to the forum.
What OS and hardware are you running on?
In a terminal go into your .node-red folder and run these commands. Copy/paste the output here, using the </> button at the top of the forum text window when pasting it.