sass compile time error

[getap]

"status": 1,
"file": "D:/CSS/natours/sass/base/_animations.scss",
"line": 1,
"column": 1,
"message": "only UTF-8 documents are currently supported; your document appears to be UTF-16 (little endian)",
"formatted": "Error: only UTF-8 documents are currently supported; your document appears to be UTF-16 (little endian)\n on line 1 of sass/base/_animations.scss\n from line 7 of sass/main.scss\n>> ��@\n ^\n"
}

[DeiCha]

I think it's proper compilers behavior. Try to change encoding for whole _animations.scss file.
Short "how to" if you are using sublime3:
https://stackoverflow.com/questions/21289157/set-encoding-of-file-to-utf8-with-bom-in-sublime-text-3