I have done a fresh install of Silverstripe 2.3.7, installed Data Object Manager r393, and installed Event Calendar r105.
When I add a new Calendar Event and Add a Date the datepicker does not work, and I am unable to edit the start and end dates.
Some of the errors I get are:
In dataobjectmanager_popup.js, dom_jquery_ui.js, and datepicker_init.js the error is 'jquery' is undefined
In datepicker_init.js the error is $('.datepicker input').livequery is not a function
It seems as though jQuery is not loaded for this part of the admin.
Any help would be much appreciated.