How to set IE Mode in your Edge Browser
Open up Edge
Go to three dots in upper right corner and click on settings

Click on Default Browser

Make sure allow sites to be reloaded in Internet explorer mode{ie mode) is set to Allow
Make sure you add your URL under the Internet Explorer mode pages
If you are using Aumentum, Add the following URL under the internet explorer mode pages:
https://mn-mower.aumentumtech.com/mn-mower-prod/login.aspx These will expire in 30 days
Also be sure to set to compatibility mode by clicking ie icon to left of address bar

And click the open this page in compatibility mode