Exception encountered, of type "Error"<br />
[7c2db2e8] /index.php?oldid=6329&amp;snapshot=1&amp;title=%D0%9A%D0%B0%D1%82%D0%B5%D0%B3%D0%BE%D1%80%D0%B8%D1%8F%3A%D0%A1%D0%B5%D1%80%D0%B8%D1%8F_%D1%81%D1%82%D0%B0%D1%82%D0%B5%D0%B9_%D0%BF%D1%80%D0%BE_%D0%BC%D0%B5%D0%BD%D0%B5%D0%B4%D0%B6%D0%BC%D0%B5%D0%BD%D1%82_%D1%86%D0%B8%D1%84%D1%80%D0%BE%D0%B2%D0%BE%D0%B3%D0%BE_%D0%BC%D0%B8%D1%80%D0%B0   Error from line 108 of /data/sites/mw4i-26/extensions/PageSnapshots/PageSnapshots.php: Call to a member function getTimestamp() on null<br />
Backtrace:<br />
#0 /data/sites/mw4i-26/includes/Hooks.php(201): PageSnapshotsExtension::start()<br />
#1 /data/sites/mw4i-26/includes/page/Article.php(595): Hooks::run()<br />
#2 /data/sites/mw4i-26/includes/page/CategoryPage.php(73): Article-&gt;view()<br />
#3 /data/sites/mw4i-26/includes/actions/ViewAction.php(44): CategoryPage-&gt;view()<br />
#4 /data/sites/mw4i-26/includes/MediaWiki.php(490): ViewAction-&gt;show()<br />
#5 /data/sites/mw4i-26/includes/MediaWiki.php(287): MediaWiki-&gt;performAction()<br />
#6 /data/sites/mw4i-26/includes/MediaWiki.php(714): MediaWiki-&gt;performRequest()<br />
#7 /data/sites/mw4i-26/includes/MediaWiki.php(508): MediaWiki-&gt;main()<br />
#8 /data/sites/mw4i-26/index.php(41): MediaWiki-&gt;run()<br />
#9 {main}<br />