The printer displaying the message: Internal error (DBUS mapping failed), please restart the printer. Contact the support if the problem persists.
Error name: Internal error (DBUS mapping failed)
Error code: #10507
This is triggered by a software bug, but there is a small probability it is a result of a hardware error.
Do a factory reset of the printer and flash the firmware. If the problem persists, the A64 logic board must be replaced.