Hello, I have a problem during 5 hours of printing, the printer lost connection to the orange pi PC via a USB cable and printing stopped, here is the log before disconnecting. My printer is Ender 3 Pro.
octoprint.log (525.1 KB)
Have you tried any of the things mentioned on the page linked to you: OctoPrint randomly loses connection to the printer with a "SerialException" - FAQ - OctoPrint Community Forum