> >>[client xx.xx.xx.xx] PHP Warning: Cannot modify header information - > >>headers already sent in Unknown on line 0, referer: > >>https://example.com/rss/ > What about this one? I have a feeling this one is related to the one above, but since I do not get such errors in my error log, I cannot be sure. Do the two errors always occur together? (if yes, then we know that the two are related. If no, then this is a separate problem.) Best, Sameer