# Config page /s/config/edit returning 404 after 5000ms **URL:** \ **Category:** Product Support\ **Created:** [November 13, 2020, 3:56pm UTC](https://forum.mautic.org/t/config-page-s-config-edit-returning-404-after-5000ms/17014 "2020-11-13T15:56:55Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![markerb](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/markerb/32/4668_2.png) [@markerb](https://forum.mautic.org/u/markerb)\ **Post date:** [March 9, 2021, 1:40pm UTC](https://forum.mautic.org/t/config-page-s-config-edit-returning-404-after-5000ms/17014/2 "2021-03-09T13:40:42Z")
This might be due to a bad setting in your configuration. For some reason Mautic tries to test various email/SMS host settings when it loads the configuration settings page for display. Please see my post below for more information and a solution: > [@Configuration Page & SMS Channel cannot be accessed after SMS segment message created](https://forum.mautic.org/t/configuration-page-sms-channel-cannot-be-accessed-after-sms-segment-message-created/17453/9): > > I just want to concur that I had what seems like the exact same situation, using Mautic v3.3.1. Having a wrong host entered into a configuration field completely hung the entire configuration part of Mautic. Thanks to this post from EJL, I realized what it was. I had mistyped my host address for my monitored email. It was never able to connect, which I guess Mautic tries to do each time before it displays the configuration menu. I had to fix the error directly in the app/config/local.php. … --- _[View the full topic](https://forum.mautic.org/t/config-page-s-config-edit-returning-404-after-5000ms/17014)._