Hosting. One of the first steps saudi number finder to take is to understand if the upstream server is reachable. The server on which your Hosting is hosted may not respond due to a technical problem or failure.
Temporarily disable your firewall. The inability to access the server may be due to a firewall issue. As such, you may want to check your configuration to make sure your firewall is not rejecting valid traffic unnecessarily and temporarily disable your CDN or firewall to see if the 502 Error persists.
Disable WordPress Plugins . The 502 error can also be caused by a corrupt or misconfigured plugin. Try disabling the tools on your site to see if the problem is actually caused by a plugin installed on your WordPress.
Restart your computer. If you recently installed new software or made changes to your computer, you should restart it and see if that fixes the problem. If the problem persists, it is likely that one of your browser extensions is causing the Error 502. Proceed by disabling all tools: if it tends to persist, you can try resetting the router. To do this, unplug the router from the power outlet and wait 30 seconds before plugging it back in.