Maybe try disabling plugins and see if it goes away?
Trellis only sets add_header X-XSS-Protection "1; mode=block" always; which doesn’t match with you error. Something might be appending to it.
Maybe try disabling plugins and see if it goes away?
Trellis only sets add_header X-XSS-Protection "1; mode=block" always; which doesn’t match with you error. Something might be appending to it.