An error occurs when compiling a media file that is imported into style.sass, what is it?

Question

css

Problem compiling sass media file when setting second media tag (max-width: )
Compilation Error
Error: Invalid CSS after "...x-width: 991px)": expected "{", was ";"
on line 12 of sass/d:\Coding\bootstrap_project\src\sass\_media.sass
from line 7 of sass/d:\Coding\bootstrap_project\src\sass\style.sass
>> media ( max-width: 991px) ;

Answer 1

empty media query do not leave
at least one style write in 992