MediaWiki internal error.

Original exception: [ZfkaRv40Wl0dild9tjyp8gAA0gA] /apps/wiki/oss/index.php?title=Especial:Autenticar-se&returnto=Meetups&returntoquery=action%3Dedit Error: Skins\Chameleon\Hooks\SetupAfterCache::__construct(): Argument #2 ($configuration) cannot be passed by reference
Backtrace:
from /var/www/magsilva.pro.br/apps/wiki/skins/chameleon/Chameleon.php(87)
#0 /var/www/magsilva.pro.br/apps/wiki/core/includes/HookContainer/HookContainer.php(333): {closure}()
#1 /var/www/magsilva.pro.br/apps/wiki/core/includes/HookContainer/HookContainer.php(140): MediaWiki\HookContainer\HookContainer->callLegacyHook(string, array, array, array)
#2 /var/www/magsilva.pro.br/apps/wiki/core/includes/HookContainer/HookRunner.php(3408): MediaWiki\HookContainer\HookContainer->run(string, array)
#3 /var/www/magsilva.pro.br/apps/wiki/core/includes/Setup.php(690): MediaWiki\HookContainer\HookRunner->onSetupAfterCache()
#4 /var/www/magsilva.pro.br/apps/wiki/core/includes/WebStart.php(89): require_once(string)
#5 /var/www/magsilva.pro.br/apps/wiki/core/index.php(44): require(string)
#6 {main}

Exception caught inside exception handler: [ZfkaRv40Wl0dild9tjyp8gAA0gA] /apps/wiki/oss/index.php?title=Especial:Autenticar-se&returnto=Meetups&returntoquery=action%3Dedit Error: Call to a member function getSkin() on null
Backtrace:
from /var/www/magsilva.pro.br/apps/wiki/skins/Tweeki/includes/Hooks.php(52)
#0 /var/www/magsilva.pro.br/apps/wiki/core/includes/HookContainer/HookContainer.php(333): TweekiHooks::onParserFirstCallInit(Parser)
#1 /var/www/magsilva.pro.br/apps/wiki/core/includes/HookContainer/HookContainer.php(140): MediaWiki\HookContainer\HookContainer->callLegacyHook(string, array, array, array)
#2 /var/www/magsilva.pro.br/apps/wiki/core/includes/HookContainer/HookRunner.php(2951): MediaWiki\HookContainer\HookContainer->run(string, array)
#3 /var/www/magsilva.pro.br/apps/wiki/core/includes/parser/Parser.php(535): MediaWiki\HookContainer\HookRunner->onParserFirstCallInit(Parser)
#4 /var/www/magsilva.pro.br/apps/wiki/core/includes/parser/Parser.php(480): Parser->firstCallInit()
#5 /var/www/magsilva.pro.br/apps/wiki/core/includes/parser/ParserFactory.php(130): Parser->__construct(MediaWiki\Config\ServiceOptions, MagicWordFactory, Language, ParserFactory, string, MediaWiki\SpecialPage\SpecialPageFactory, MediaWiki\Linker\LinkRendererFactory, NamespaceInfo, MediaWiki\Logger\LegacyLogger, MediaWiki\BadFileLookup, MediaWiki\Languages\LanguageConverterFactory, MediaWiki\HookContainer\HookContainer)
#6 /var/www/magsilva.pro.br/apps/wiki/core/includes/ServiceWiring.php(921): ParserFactory->create()
#7 /var/www/magsilva.pro.br/apps/wiki/core/vendor/wikimedia/services/src/ServiceContainer.php(445): Wikimedia\Services\ServiceContainer->{closure}(MediaWiki\MediaWikiServices)
#8 /var/www/magsilva.pro.br/apps/wiki/core/vendor/wikimedia/services/src/ServiceContainer.php(416): Wikimedia\Services\ServiceContainer->createService(string)
#9 /var/www/magsilva.pro.br/apps/wiki/core/includes/MediaWikiServices.php(1076): Wikimedia\Services\ServiceContainer->getService(string)
#10 /var/www/magsilva.pro.br/apps/wiki/core/includes/cache/MessageCache.php(1254): MediaWiki\MediaWikiServices->getParser()
#11 /var/www/magsilva.pro.br/apps/wiki/core/includes/cache/MessageCache.php(1233): MessageCache->getParser()
#12 /var/www/magsilva.pro.br/apps/wiki/core/includes/language/Message.php(1273): MessageCache->transform(string, boolean, Language, NULL)
#13 /var/www/magsilva.pro.br/apps/wiki/core/includes/language/Message.php(883): Message->transformText(string)
#14 /var/www/magsilva.pro.br/apps/wiki/core/includes/language/Message.php(943): Message->toString(string)
#15 /var/www/magsilva.pro.br/apps/wiki/core/includes/exception/MWExceptionRenderer.php(221): Message->text()
#16 /var/www/magsilva.pro.br/apps/wiki/core/includes/exception/MWExceptionRenderer.php(161): MWExceptionRenderer::msg(string, string, string)
#17 /var/www/magsilva.pro.br/apps/wiki/core/includes/exception/MWExceptionRenderer.php(65): MWExceptionRenderer::reportHTML(Error)
#18 /var/www/magsilva.pro.br/apps/wiki/core/includes/exception/MWExceptionHandler.php(106): MWExceptionRenderer::output(Error, integer)
#19 /var/www/magsilva.pro.br/apps/wiki/core/includes/exception/MWExceptionHandler.php(185): MWExceptionHandler::report(Error)
#20 /var/www/magsilva.pro.br/apps/wiki/core/includes/exception/MWExceptionHandler.php(156): MWExceptionHandler::handleException(Error, string)
#21 [internal function]: MWExceptionHandler::handleUncaughtException(Error)
#22 {main}