Vcore4 suddenly crashed and won't turn on anymore. -Printer is working again.

Was changing the filament when it suddenly the printer crashed and the fan went to 100%
Tried doing a firmware restart but didn't help, did a power off and power on. now 2 LED are blinking on the BTT board anyone seen this before?
It's seems to be stuck and never loads the firmware.
Error solving:
Tried to decouple the Raspberry.
Tried to disconnect 2 motors just to see.

Printer has been running for several months now.

Seems to be D49 blinking red and D29 blinking green
https://imgur.com/a/btt-octopus-led-list-description-N3TJGfG
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