Steps to reproduce:
- Create 2 hosts;
- Create a Maintenance period and put one of the hosts under maintenance;
- Make sure the host that is not under maintenance has a trigger with Disaster severity fired;
- Create a map with both hosts;
- Make that map a submap of another.
As seen in the screenshots, the map with higher level will show that the submap has a problem, but it is highlighted with Maintenance colors (orange) instead of Disaster's (red)
Submap highlighted with the most critical issue related to it (Disaster - Red).