not compatible with templatedata wikipedia templatedata is a brand new feature which is apparently not fully compatible with wiked pick a template doc subpage e g template croatian census doc click on edit click on the manage templatedata button change something in the pop up form e g the description click on the apply button now changes made to template data should be propagated to the edit area element but they are not the workaround is to switch wiked off when working with templatedata form or to use the edit area directly rather than the form