Low events and safecracker?

Im having some trouble getting low events to work with safecracker?

im just doing this

{exp:safecracker channel="events" return="/account/event/thanks" }

Tell us about the event
Event Title
Event Dates


But when i do a test submit im getting:
Start date is invalid

even when i just let is use the default dates?

everything looks and works (JS wise) just fine, and I am using the latest version of the module (1.1.1)

see form screen shot

any ideas?
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