The problem with Gulpʻom

There is ... there is a main.scss file into which the _page-header.scss file is imported. When you save the _page-header.scss file, compilations take place (well, because it is written in gulpfile.js, so that when you change, the compilation takes place, well, not the point, this is just in case) and gives an error that there is no such file ( page- header.scss) or is not available for reading, as I understand it ... but there is such a file and there are no check marks for "read-only" ... When compiling ordinary files, everything is in order! I have already tried to write in a file that imports into Others with the " " in the file name, and with the "scss" extension, and without ... Please, if you can, please help ... For a couple of days I have been looking for an answer to this question wasps, but everything is empty ... Thanks in advance! If you need to throw something else, for example, gulpfile.js itself, then write