File not found errors

Resolved Date:05 Sep 2019 10:45 SAST
Notice ID: #4324
Start: 05 Sep 2019 08:00 SAST
Maintenance Window:TBC
Point of impact:All Managed servers
Issue:An Apache security patch that was applied has had a conflict with customer content
Attending: xneelo Engineers

Symptoms:

Customers may experience "File not found." errors on their websites. This is mostly on menu items and not on homepages.
Is this my server?