Setting expanded output style in sass doesn´t work - sass

Question

I want to change output style in my sass file to expanded but setting :
sass --watch style.scss:style.css --style expanded
doesn´t work for me. Instead it return me this
Encoding::CompatibilityError: incompatible character encodings: CP852 and UTF-8
Use --trace for backtrace.
Is there any possible to fix it? I´m not quite sure about it too because I´m new in Sass.But when I tried first , things went well in my single line selector in compresed style .I did some changes in sass file, I have here now more selectors formated in expanded output style , but it seems that problem is that compiler still want to see my sass file in compresed output style because it gives me back this:
Compilation Error
Error: Invalid CSS after "body {": expected "}", was "{"
on line 1 of sass/c:\Users\Doma\Desktop\Nové webovky\Javascript
& webovky\alfabeta\pionyr.sass
body { {
Can someone please help? Maybe is some basic thing but I really didn´t find solution to this and I searched in many sources
Thank you very much

Answer 1

that happening because you use native language not english for your operation system to change that and make sure sass compiler working without errors write this in terminal/command line before you use sass compiling command chcp 1252 after code activated use sass compile as expected sass --watch style.scss:style.css --style expanded
update
sometimes this error happening because silly mistake try this may help some causes this solution with helpfully change the path name from c:\Users\Doma\Desktop\Nové webovky\Javascript & webovky\alfabeta\pionyr.sass to c:\Users\Doma\Desktop\Nov webovky\Javascript & webovky\alfabeta\pionyr.sass
just take out é form the folder path and try again.