Looking at https://en.wikisource.org/w/index.php?title=1911_Encyclop%C3%A6dia_Britannica/Privateer&action=edit&lintid=415174 is unhelpful. If the error is occurring somewhere in the Page: namespace then it needs to be showing there.
1911 Encyclopædia Britannica/Privateer (edit | history) SPAN + #text