Applied
Change:
POST requests to entity sets as well as all PUT and DELETE requests do not allow system query options.
to:
POST requests to entity sets as well as all PATCH, PUT and DELETE requests do not allow system query options.
https://www.oasis-open.org/committees/download.php/57134/odata-v4.0-wd08-part2-url-conventions-2015-12-15.docx