Your board's log
This log couldn't be read. Try scanning the QR code again, a little closer and steadier.
Opens your email app with the log filled in, addressed to . If the message comes up empty or cut short, use Download log.txt and attach the file instead.
Get the log
With a phone: on the board, open ☰ → Settings → Diagnostics → Send Log and point your phone's camera at the QR code. This page opens with the log.
With a computer (Chrome or Edge): plug the board in by USB and read the whole log:
This browser can't talk to USB devices. Use Chrome or Edge on a computer, or the QR code on the board.
Pick the board's serial port when asked (the same one used to install). If none appears on Windows, install the CH340 USB driver.