Mainsail randomly stopped working with NO changes

Basic Information:

Printer Model: Ender 3 Pro
MCU / Printerboard: BTT SKR Mini E3 v1.2
Host / SBC Le Potato aml-5905x-cc
klippy.log how do I get it if I can’t access Mainsail

Restarted my printer and now mainsail won’t work or connect, rebooted SBC and printer multiple times, no idea what’s happening, can anyone help? I haven’t changed anything since last it worked

Fill out above information and in all cases attach your klippy.log file (use zip to compress it, if too big). Pasting your printer.cfg is not needed
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Describe your issue:

I changed nothing and it randomly started working again. Does anyone know what happened?

Now Klipper reports: SHUTDOWN with yellow box and restart and firmware restart buttons DO NOTHING. what is happening?!

See How-To Ask for Help and include your moonraker log

This error is normally a network issue. pls try to ping the hostname and/or the ip form your SBC. So it could just be an issue to resolv your hostname or its a generic issue (raspberry pi often lost the wifi connection, when the AP change the change for example. maybe this is also an issue with the le potato).