Gulp-sass: gulp-notify reports an error that doesn't actually exist. What is the reason?

Question

Sass

Hello! gulp-notify reports an error, but there is no error in the file, here is an example:
index.sass

.first__section 
    height: 100vh
    display: flex
    align-items: center
    justify-content: space-evenly

console:

[14:05:55] Starting 'sass'...
[14:05:55] gulp-notify: [Styles] src\sass\blocks\index.sass
Error: Invalid CSS after "...space-evenly; }": expected 1 selector or at-rule, was "{"
        on line 5 of src/sass/blocks/index.sass
        from line 100 of src/sass/main.sass
>>     justify-content: space-evenly; } {

   ------------------------------------^

[14:05:55] Finished 'sass' after 80 ms