What is the problem?
I followed all the steps written here to install octoprint on windows Setting up OctoPrint on Windows
Everything was fine until i added a plugin, i receive an unknown error (see image and logs).
What did you already try to solve it?
I tried reinstalling, doesn't work
Additional information about your setup
OctoPrint version, OctoPi version, printer, firmware, browser, operating system, ... as much data as possible
Octoprint 1.4.2 on Windows 10 following the tutorial i linked.