Error is a secret NPC found behind the XXX video store. The NPC is likely a reference to the infamous character from the 1987 video game Zelda II: The Adventure of Link.
"There was an unexpected error in the property page:
The transfer syntax is to supported by the command (0x80070462)
Please close the dialogue box and try again."
"I am Error"
"The error is most obvious when I, Error, am least obvious"