Fatal error: Uncaught Http\Discovery\Exception\DiscoveryFailedException: Could not find resource using any discovery strategy. Find more information at http://docs.php-http.org/en/latest/discovery.html#common-errors - No valid candidate found using strategy "Http\Discovery\Strategy\CommonClassesStrategy". We tested the following candidates: Http\Discovery\Strategy\CommonClassesStrategy::symfonyPsr18Instantiate, GuzzleHttp\Client, Http\Discovery\Strategy\CommonClassesStrategy::buzzInstantiate. - No valid candidate found using strategy "Http\Discovery\Strategy\CommonPsr17ClassesStrategy". We tested the following candidates: . in /www/wwwroot/cn.avjoy.me/vendor/php-http/discovery/src/Exception/DiscoveryFailedException.php:41 Stack trace: #0 /www/wwwroot/cn.avjoy.me/vendor/php-http/discovery/src/ClassDiscovery.php(94): Http\Discovery\Exception\DiscoveryFailedException::create() #1 /www/wwwroot/cn.avjoy.me/vendor/php-http/discovery/src/Psr18ClientDiscovery.php(26): Http\Discovery\ClassDiscovery::findOneByType() #2 /www/www in /www/wwwroot/cn.avjoy.me/vendor/php-http/discovery/src/Psr18ClientDiscovery.php on line 28