'stylesheet' named 'jQueryUtils_TimePicker' could not be found

Jan 16, 2014 at 5:22 AM
I downloaded and installed calendar module from the link

https://orchardcalendar.codeplex.com/

When i click New --> "Calendar" from Administration it gives me two errors

'stylesheet' named 'jQueryUtils_TimePicker' could not be found
'script' named 'jQueryUtils_TimePicker' could not be found