I’am not so sure about… I link the other topic : CTD and jumped into Visual Studio
Here the scenery Add-On is related… Of course we not know whether a change in SU9 cause that, or the Add-On was faulty from day-one, but at least it may be another possible reason why not all users see that “could not be read”…
PS: it is not exact same error message,… but just what can happen