Thread:Help talk:Eventcalendar format/"No Results" Yellow errorbar/reply

One important factor is to have appropriate datatypes declared for each property otherwise functionality is limited or not guaranteed (see [0]). Please carefully examine what has been done on this wiki and compare it to your wiki environment.

[0] http://testwiki.gotannetworks.com/wiki2/index.php?title=Property:Has_event_start