What happens when you try to load an invalid level into GoldenEye 64? You get the ERROR level - a completely empty Bunker 1 with no objects, no guards, no objectives, or anything else at all. The game picks a random song to play (in this case we got the sweet elevator music.)
Opening the watch displays the level name as "E R R O R". The briefing is empty except for the Background page which just says "no briefing for this mission".
Upon trying to quit the game seems to freeze.
This video was made on the 1964 emulator with the help of a program called L. Spiro's Memory Hacking Software.