How many letters does the top answer for “something located at a time when it could not have existed or occurred” have?

The most common answer is misdating (9 letters).

Crossword clue: something located at a time when it could not have existed or occurred

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

misdating 9 letters wn-def

something located at a time when it could not have existed or occurred

mistiming 9 letters wn-def

something located at a time when it could not have existed or occurred