ERRANCY
errancy
(noun) fallibility as indicated by erring or a tendency to err
errancy
(noun) (Christianity) holding views that disagree with accepted doctrine; especially disagreement with papal infallibility; “he denies the errancy of the Catholic Church”
Source: WordNet® 3.1
Etymology
Noun
errancy (usually uncountable, plural errancies)
the state of being in error; fallibility
holding the view that the Pope is not infallible
Source: Wiktionary
Er"ran*cy, n. Etym: [L. errantia.]
Definition: A wandering; state of being in error.
Source: Webster’s Unabridged Dictionary 1913 Edition