After powering on the printer, the touchscreen or Fluidd immediately displays the following error message:
Internal error during connect: CommandWrapper instance has no attribute '_get_command_tag'
For Neptune 4 Plus & Max:
How to update the Fix Pack / Motherboard Firmware / Touchscreen Firmware:
https://wiki.elegoo.com/neptune/neptune-4-plus-max-how-to-use-motherboard-and-touch-screen-firmware
For Neptune 4 & 4 Pro:
How to update the Fix Pack:
https://wiki.elegoo.com/neptune/load-fix-pack
How to update the Motherboard Firmware and Touchscreen Firmware:
https://wiki.elegoo.com/neptune/motherborad-and-touch-screen-firmware-update
Refer to the link below to update the image file:
https://wiki.elegoo.com/en/machines/neptune/maintenance/neptune-4-series/image-installation-methods