I have bug " Warning: Missing argument 1 for SiteConfiguration::siteFromDB(), called in /home/u847594659/public_html/wiki/LocalSettings.php on line 159 and defined in/home/u847594659/public_html/wiki/includes/SiteConfiguration.phpon line483Fatal error: Uncaught TypeError: Argument 3 passed to SiteConfiguration::mergeParams() must be of the type array, null given,called in /home/u847594659/public_html/wiki/includes/SiteConfiguration.php on line 402 and defined in /home/u847594659/public_html/wiki/includes/SiteConfiguration.php:455 Stack trace: #0 /home/u847594659/public_html/wiki/includes/SiteConfiguration.php(402): SiteConfiguration->mergeParams(NULL, NULL, NULL, NULL) #1 /home/u847594659/public_html/wiki/LocalSettings.php(160): SiteConfiguration->extractAllGlobals(NULL, NULL, NULL, NULL) #2 /home/u847594659/public_html/wiki/includes/WebStart.php(124): require_once('/home/u84759465...')#3 /home/u847594659/public_html/wiki/index.php(40): require('/home/u84759465...') #4 {main} thrown in/home/u847594659/public_html/wiki/includes/SiteConfiguration.phpon line455 " How to fix?
