Hi,
Thank you very much, after checking I found the problem in the custom.css file in the "ja_blockk/local/css/" folder. All the comment lines are syntax-incorrect. Comment lines with two // marks in front are only for files with the .scss extension, but in files with the .css extension, the comment lines will have the format
/*...*/
Therefore, to compile scss without losing style, you need to fix all the comment formats in the custom.css file.
