I have latest version of mediawiki. Extension installed, and db updated.
Original exception: [7378ff8ac9065fadc602aa86] /wiki/index.php/Main_Page TypeError: Argument 1 passed to MediaWiki\Extension\Notifications\Hooks::onResourceLoaderRegisterModules() must be an instance of MediaWiki\ResourceLoader\ResourceLoader, instance of ResourceLoader given, called in /home/xxx/public_html/medialternatives.com/bedrock/web/wiki/includes/HookContainer/HookContainer.php on line 338
Backtrace:
from /home/xxx/public_html/medialternatives.com/bedrock/web/wiki/extensions/Echo/includes/Hooks.php(186)
#0 /home/xxx/public_html/medialternatives.com/bedrock/web/wiki/includes/HookContainer/HookContainer.php(338): MediaWiki\Extension\Notifications\Hooks::onResourceLoaderRegisterModules(ResourceLoader)
#1 /home/xxx/public_html/medialternatives.com/bedrock/web/wiki/includes/HookContainer/HookContainer.php(137): MediaWiki\HookContainer\HookContainer->callLegacyHook(string, array, array, array)
#2 /home/xxx/public_html/medialternatives.com/bedrock/web/wiki/includes/resourceloader/HookRunner.php(48): MediaWiki\HookContainer\HookContainer->run(string, array, array)
#3 /home/xxx/public_html/medialternatives.com/bedrock/web/wiki/includes/ServiceWiring.php(1413): MediaWiki\ResourceLoader\HookRunner->onResourceLoaderRegisterModules(ResourceLoader)
...