print failed and now klipper won't connect

[weldingdude]

printer has been working fine, I haven't made any changes or updates recently, today I started a print and part way through the print I got an error telling me that klipper got disconnected.

now I'm dead in the water, mainsail shows mcu unable to connect, and if I try to restart firmware, it just says
"Printer is not ready
The klippy host software is attempting to connect. Please
retry in a few moments."

I'm kind of at a loss.

 

[weldingdude]

its a voron 2.4
with and fysetc spider baord and an SB CAN board on the hot end.

I've tried to upload the klippy file and even when zipped it's too large.