Quote:
warn·ing
?wôrniNG
noun
a statement or event that indicates a possible or impending danger, problem, or other unpleasant situation.
"a warning about heavy thunderstorms"
synonyms: example, deterrent, lesson, caution, exemplar, message, moral More
cautionary advice.
"a word of warning—don't park illegally"
synonyms: caution, advisory, notification, information;
Quote:
er·ror
?er?r
noun
a mistake.
"spelling errors"
synonyms: mistake, inaccuracy, miscalculation, blunder, oversight; More
the state or condition of being wrong in conduct or judgment.
"the money had been paid in error"
synonyms: wrongly, by mistake, mistakenly, incorrectly;
See the difference?