Hi,
Please try to clear the cache of the Microsoft Edge app on your phone.
If it does not work, please clear the data. This will log you out of your Microsoft Edge.
If this has the same issue, please uninstall your MS Edge app, then restart your device, and install it again.
Please note that in the last two steps, you need to please make sure that you back up your favorites and bookmarks, or make sure that your account syncs.
If you require further assistance, please don't hesitate to let me know.
Stay Safe!