What is the problem?
The Serial Port is not being detected
What did you already try to solve it?
Switching cables, switching which USB port I use on the Pi
Have you tried running in safe mode?
No
Did running in safe mode solve the problem?
No
Systeminfo Bundle
You can download this in OctoPrint's System Information dialog ... no bundle, no support!)
Additional information about your setup
OctoPrint version, OctoPi version, printer, firmware, browser, operating system, ... as much data as possible
Using the Prusa Mini, latest version of OctoPi. Also, Im quite new to Raspberry Pis, so if im wrong about anything, please explain