CR10 keeps disconnecting!

CR10 keeps disconnecting!

New cables. New Raspberry PI. different power sources.

Unexpected error while reading serial port, please consult octoprint.log for details: SerialException: 'device reports readiness to read but returned no data (device disconnected or multiple access on port?)' @ comm.py:_readline:2739Please see https://faq.octoprint.org/serialerror for possible reasons of this.Changing monitoring state from "Printing from SD" to "Offline (Error: SerialException: 'device reports readiness to read but returned no data (device disconnected or multiple access on port?)' @ comm.py:_readline:2739)"Connection closed, closing down monitor

Printing on a CR-10 with Marlin and the CR10 default preset for Marlin. E3D volcano. Printers running fine and prints still finish as I run off sd normally because ocotpi is unreliable in my case.