The following article shows an unexpected error
browsing a bit further it seems quite a few community topic/article nodes are showing the same, i.e. also this:
The full error is:
An Unexpected Error has occurred. Your request failed. Please contact your system administrator and provide the date and time you received the error and this Exception ID: 15A7AB48.
Solved! Go to Solution.
I experienced the same thing when pasting the URLs @Claudius shared above directly into a blank tab. I tried while both logged in and logged out and got the unexpected error & exception ID below. Navigating to the same posts organically via the navigation/forums worked as intended.
Thanks for the quick fix, @AndyK - All pages load fine again.