Action's_syntax
Accessing_the_KNX_bus
Main_Page
Main_Page
Main_Page
Main_Page
KnxWeb
This should be handeled on CalDav Synchronizer's side. Handeled = present something that makes more sense from user perspective instead of full page of exception details. I can confirm that this occurs when some ports are blocked by hotel / public network - so it is not really fully related to the server.