If you see this page it most likely means that your API Settings are wrong. Please disable the plugin, re-enable it, and double-check your settings. It could also be that your Oauth2.0 keys in Mautic are wrong!
If you see this page it most likely means that your API Settings are wrong. Please disable the plugin, re-enable it, and double-check your settings. It could also be that your Oauth2.0 keys in Mautic are wrong!