AMMS Web does not work in "Compatibility" mode. Use the Edge browser or turn off "Compatibility" mode for AMMS Web in the browser settings and try again.

To disable "Compatibility" mode click on the Tools (gear icon) and select "Compatibility View settings".

In the settings Remove AMMS Web from the Website section. If AMMS Web is not found or running on the local intranet unchecked the "Display intranet sites in Compatibility View".