Maintenance for the week of November 17:
• [COMPLETE] Xbox: NA and EU megaservers for maintenance – November 19, 4:00AM EST (9:00 UTC) - 12:00PM EST (17:00 UTC)
Maybe you have it disabled in "filters" option ? When you open map there should be a "filters" menu on the right side. Check if any tick-box is disabled.
An add-on may be causing issues with your map symbols. We have two help articles linked below that go over how to uninstall or remove add-ons that you're currently using.