fastboot could not clear input pipe; result e00002d6

i'm trying to flash gsi firmware to my tablet. - enabled OEM unlock - enabled USB debug - device is visible in fastboot devices

% fastboot devices

T812128GB25105680652     fastboot

% fastboot flashing unlock

ERROR: could not clear input pipe; result e00002d6, ignoring...
ERROR: could not clear output pipe; result e00002d6, ignoring....
ERROR: usb_read failed with status e00002ed
FAILED (Status read failed (No such file or directory))
fastboot: error: Command failed

- fastboot version 36.0.0-13206524 (latest) - macbook air m1 - macOs 15.5 (24F74) (latest) Anyone knows what's that and how to fix this?