careless error

Translations
небрежная ошибка
The report was full of careless errors.
Отчет был полон небрежных ошибок.
Definitions
A careless error refers to a mistake made due to a lack of attention, oversight, or diligence, often resulting from hasty or inattentive work rather than a lack of knowledge or skill.
Words
careless

adjective
небрежный
error

noun
ошибка