GCalendar: Marzo 2019

Error

Simplepie detected an error for the calendar mourosub.escuela%40gmail.com. Please run the compatibility utility.
The following Simplepie error occurred:
A feed could not be found at http://www.google.com/calendar/feeds/mourosub.escuela%40gmail.com/public/full?start-min=2019-03-01T00:00:00&start-max=2019-04-01T00:00:00&sortorder=ascending&orderby=starttime&singleevents=true&hl=es-ES&max-results=100