Illiteracy
Illiteracy , noun
[From Illiterate.]
1.
The state of being illiterate, or uneducated; lack of learning, or knowledge; ignorance; specifically, inability to read and write; as, the illiteracy shown by the last census.
2.
An instance of ignorance; a literary blunder.
The many blunders and illiteracies of the first publishers of his [Shakespeare's] works.