[fix] error fields write calendar

services/calendar_services.py

@@ -154,8 +154,7 @@ class CgScopMobileCalendarServices(Component):
                     "stop": self._getstring(event.stop),
                     "start_date": self._getstring(event.start_date),
                     "stop_date": self._getstring(event.stop_date),
-                    "start_datetime": self._getstring(event.start_datetime),
-                    "stop_datetime": self._getstring(event.stop_datetime),
+                    "start": self._getstring(event.start),
                     "duration": self._getinteger(event.duration),
                 }
             )