Internal error

From META on the UO Community Wiki

Detected bug in an extension! Hook TorBlock::onGetUserPermissionsErrorsExpensive failed to return a value; should return true to continue hook processing or false to abort.

Backtrace:

#0 /home/uocwiki/public_html/w/includes/Title.php(1212): wfRunHooks('getUserPermissi...', Array)
#1 /home/uocwiki/public_html/w/includes/Title.php(1108): Title->getUserPermissionsErrorsInternal('rollback', Object(User), true)
#2 /home/uocwiki/public_html/w/includes/PageHistory.php(354): Title->getUserPermissionsErrors('rollback', Object(User))
#3 /home/uocwiki/public_html/w/includes/PageHistory.php(705): PageHistory->historyLine(Object(stdClass), Object(stdClass), 1, false, true, true)
#4 /home/uocwiki/public_html/w/includes/Pager.php(270): PageHistoryPager->formatRow(Object(stdClass))
#5 /home/uocwiki/public_html/w/includes/PageHistory.php(154): IndexPager->getBody()
#6 /home/uocwiki/public_html/w/includes/Wiki.php(507): PageHistory->history()
#7 /home/uocwiki/public_html/w/includes/Wiki.php(59): MediaWiki->performAction(Object(OutputPage), Object(Article), Object(Title), Object(User), Object(WebRequest))
#8 /home/uocwiki/public_html/w/index.php(93): MediaWiki->initialize(Object(Title), Object(Article), Object(OutputPage), Object(User), Object(WebRequest))
#9 {main}