MediaWiki:Apierror-revisions-singlepage
titles, pageids or a generator was used to supply multiple pages, but the $1limit, $1startid, $1endid, $1dir=newer, $1user, $1excludeuser, $1start, and $1end parameters may only be used on a single page.
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titles, pageids or a generator was used to supply multiple pages, but the $1limit, $1startid, $1endid, $1dir=newer, $1user, $1excludeuser, $1start, and $1end parameters may only be used on a single page.