MediaWiki internal error.

Original exception: [5d6c51d0] /index.php?title=Special:ResetTokens Exception from line 346 of /home1/silver/public_html/wiki/includes/specialpage/SpecialPage.php: Please <a href="/index.php?title=Special:UserLogin&amp;returnto=Special%3AResetTokens" title="Special:UserLogin">log in</a> to be able to access this page or action.
Backtrace:
#0 /home1/silver/public_html/wiki/includes/specials/SpecialResetTokens.php(64): SpecialPage->requireLogin()
#1 /home1/silver/public_html/wiki/includes/specialpage/SpecialPage.php(379): SpecialResetTokens->execute(NULL)
#2 /home1/silver/public_html/wiki/includes/specialpage/SpecialPageFactory.php(503): SpecialPage->run(NULL)
#3 /home1/silver/public_html/wiki/includes/Wiki.php(285): SpecialPageFactory::executePath(Title, RequestContext)
#4 /home1/silver/public_html/wiki/includes/Wiki.php(588): MediaWiki->performRequest()
#5 /home1/silver/public_html/wiki/includes/Wiki.php(447): MediaWiki->main()
#6 /home1/silver/public_html/wiki/index.php(46): MediaWiki->run()
#7 {main}

Exception caught inside exception handler: [7ec6b8d7] /index.php?title=Special:ResetTokens Exception from line 222 of /home1/silver/public_html/wiki/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 /home1/silver/public_html/wiki/includes/GlobalFunctions.php(4013): Hooks::run(string, array, NULL)
#1 /home1/silver/public_html/wiki/includes/parser/Parser.php(396): wfRunHooks(string, array)
#2 /home1/silver/public_html/wiki/includes/cache/MessageCache.php(1070): Parser->parse(string, Title, ParserOptions, boolean)
#3 /home1/silver/public_html/wiki/includes/Message.php(963): MessageCache->parse(string, Title, boolean, boolean, Language)
#4 /home1/silver/public_html/wiki/includes/Message.php(667): Message->parseText(string)
#5 /home1/silver/public_html/wiki/includes/Message.php(756): Message->toString()
#6 /home1/silver/public_html/wiki/includes/OutputPage.php(2201): Message->parseAsBlock()
#7 /home1/silver/public_html/wiki/includes/exception/ErrorPageError.php(58): OutputPage->showErrorPage(Message, Message, array)
#8 /home1/silver/public_html/wiki/includes/exception/MWExceptionHandler.php(44): ErrorPageError->report()
#9 /home1/silver/public_html/wiki/includes/exception/MWExceptionHandler.php(139): MWExceptionHandler::report(UserNotLoggedIn)
#10 /home1/silver/public_html/wiki/includes/Wiki.php(454): MWExceptionHandler::handle(UserNotLoggedIn)
#11 /home1/silver/public_html/wiki/index.php(46): MediaWiki->run()
#12 {main}