Fatal error: Uncaught MediaWiki\Config\ConfigException: Math extension can not find Restbase URL. Please specify $wgMathFullRestbaseURL. in /var/www/html/extensions/Math/src/Hooks.php:48
Stack trace:
#0 /var/www/html/includes/registration/ExtensionRegistry.php(587): MediaWiki\Extension\Math\Hooks::onConfig(Array, Object(MediaWiki\Settings\SettingsBuilder))
#1 /var/www/html/includes/registration/ExtensionRegistry.php(333): MediaWiki\Registration\ExtensionRegistry->exportExtractedData(Array)
#2 /var/www/html/includes/Setup.php(293): MediaWiki\Registration\ExtensionRegistry->loadFromQueue()
#3 /var/www/html/includes/WebStart.php(85): require_once('/var/www/html/i...')
#4 /var/www/html/index.php(50): require('/var/www/html/i...')
#5 {main}
thrown in /var/www/html/extensions/Math/src/Hooks.php on line 48