after saving event it disappear form calendar ios

Description first have created an event with the title, end time and start time and when I save the event it got saved in the calendar but after a few mins it got removed from the calendar and this happen only in ios. android is working perfectly

current version

"react": "^16.2.0",
"react-native": "^0.52.0",
"react-native-calendar-events": "^1.5.0"

i have called RNCalendarEvents.authorizeEventStore() before saving event

RNCalendarEvents.saveEvent(eventConfig.title,eventConfig).then((e,f)=>{
         ...
 }).catch((e)=>{
      alert(e)
  })

observation event added successfully and removed after a while

[jonWilsonCopart]

@victormolema My QA team is reporting the same thing, event is disappearing after a few minutes and it’s showing up as a birthday. (Android only)

[abhichourasia]

@jonWilsonCopart I got a solution for this issue. I did below and it worked fine for me on Android. I am checking for primary calendar. See below:

const calendars = await RNCalendarEvents.findCalendars();
const primaryCalendar = calendars.find(c => c.isPrimary && c.allowsModifications);

if (!primaryCalendar) { return; }

RNCalendarEvents.saveEvent('Call User', {
    calendarId: primaryCalendar.id
    notes: 'Test Note',
    description: 'Test Note',
    startDate: <start date>,
    endDate: <end date>,
    alarms: [ { date: 5 } ]
});