We have been unable to use mag manager due to various 500 errors when attempting to use the Get Data From Web feature to update mag manager. What could the problem be?
Jul 03, 2018
Thanks for your message.This error turns from your server side. You can check for a troubleshooting 503 (Backend Fetch Failed) errors on official Magento page https://devdocs.magento.com/guides/v2.0/config-guide/varnish/tshoot-varnish-503.html
Or contact us at firstname.lastname@example.org to share more details from your side so our tech specialist could help you to sort it.