Navigate to Organization -> Organization VDC -> Networking -> Edges -> Services -> Firewall
Page fails to load with the following Error
Error: [ ########-####-####-####-############ ] class java.lang.NullPointerException
Cloud Director 10.6.x
When retrieving Firewall Rules from the related Edge there is a NullPointerException due to changes on the NSX Edge Directly in NSX.
Please identify and remove any Rules that were created directly in NSX and recreate them through Cloud Director.