Do not have Aviatife deny a pilot’s flight plan because of possibly exceeding maximum range of fuel on board. Just issue a warning such as “Maximum range exceeded. Continue at pilot’s discretion.”
Oh good gosh yes please. All the upvotes. Every trans pacific flight I have to set it to somewhere like Fiji or Samoa to make it happy, and I then I just keep flying to my actual destination of YSSY or KLAX.