Unexpected Website Error Index must be within the bounds of the List

Question

Hi,

We are getting the below error sometimes when accessing different pages. Once the page is refreshed it will work as usual. Any one faced this error?

Unexpected Website Error
Index must be within the bounds of the List.
Parameter name: index

rharland2012 · Answer

Did you ever get to the bottom of this problem, and if so can you share? We're in the same boat, and I'm three days in waiting on support. Mine throws this error every time I try to edit a WMI node. SNMP/ICMP work fine, it's just WMI.