Exception encountered, of type "Error"
    [4e5bda9f43386120a3facb08] /?title=Special:IntraACLSelftest&do=1 Error from line 78 of /var/www/mech1273/extensions/IntraACL/includes/SpecialSelftest.php: Call to a member function isBlank() on string
    Backtrace:
    #0 /var/www/mech1273/extensions/IntraACL/includes/SpecialSelftest.php(117): IntraACLSelftestSpecial::loadConfig()
    #1 /var/www/mech1273/extensions/IntraACL/includes/SpecialSelftest.php(64): IntraACLSelftestSpecial->doChecks(boolean)
    #2 /var/www/mech1273/includes/specialpage/SpecialPage.php(479): IntraACLSelftestSpecial->execute(NULL)
    #3 /var/www/mech1273/includes/specialpage/SpecialPageFactory.php(577): SpecialPage->run(NULL)
    #4 /var/www/mech1273/includes/MediaWiki.php(282): SpecialPageFactory::executePath(Title, RequestContext)
    #5 /var/www/mech1273/includes/MediaWiki.php(735): MediaWiki->performRequest()
    #6 /var/www/mech1273/includes/MediaWiki.php(509): MediaWiki->main()
    #7 /var/www/mech1273/index.php(43): MediaWiki->run()
    #8 {main}