MediaWiki internal error.

Original exception: [9ba359a3] / Exception from line 215 of /home3/dugger/wiki1.hldsite.com/includes/Wiki.php:
Backtrace:
#0 /home3/dugger/wiki1.hldsite.com/includes/Wiki.php(588): MediaWiki->performRequest()
#1 /home3/dugger/wiki1.hldsite.com/includes/Wiki.php(447): MediaWiki->main()
#2 /home3/dugger/wiki1.hldsite.com/index.php(46): MediaWiki->run()
#3 {main}

Exception caught inside exception handler: [afdaf4e1] / Exception from line 222 of /home3/dugger/wiki1.hldsite.com/includes/Hooks.php: Detected bug in an extension! Hook Cite::checkRefsNoReferences has invalid call signature; Parameter 2 to Cite::checkRefsNoReferences() expected to be a reference, value given
Backtrace:
#0 /home3/dugger/wiki1.hldsite.com/includes/GlobalFunctions.php(4013): Hooks::run(string, array, NULL)
#1 /home3/dugger/wiki1.hldsite.com/includes/parser/Parser.php(396): wfRunHooks(string, array)
#2 /home3/dugger/wiki1.hldsite.com/includes/cache/MessageCache.php(1070): Parser->parse(string, Title, ParserOptions, boolean)
#3 /home3/dugger/wiki1.hldsite.com/includes/Message.php(963): MessageCache->parse(string, Title, boolean, boolean, Language)
#4 /home3/dugger/wiki1.hldsite.com/includes/Message.php(661): Message->parseText(string)
#5 /home3/dugger/wiki1.hldsite.com/includes/Message.php(720): Message->toString()
#6 /home3/dugger/wiki1.hldsite.com/includes/OutputPage.php(2268): Message->parse()
#7 /home3/dugger/wiki1.hldsite.com/includes/exception/PermissionsError.php(55): OutputPage->showPermissionsErrorPage(array, string)
#8 /home3/dugger/wiki1.hldsite.com/includes/exception/MWExceptionHandler.php(44): PermissionsError->report()
#9 /home3/dugger/wiki1.hldsite.com/includes/exception/MWExceptionHandler.php(139): MWExceptionHandler::report(PermissionsError)
#10 /home3/dugger/wiki1.hldsite.com/includes/Wiki.php(454): MWExceptionHandler::handle(PermissionsError)
#11 /home3/dugger/wiki1.hldsite.com/index.php(46): MediaWiki->run()
#12 {main}