Calendar getSchedule API availabilityView returning incorrect busy status

Question

The calendar: getSchedule API's availabilityView has recently started returning incorrect data. Previously, it provided accurate busy and free timing values, but in the last few days, the response indicates busy status when there are no meetings or events scheduled in the user's calendar.

Here is the response for the past 3 hours data with availabilityViewInterval: 30:

{
   "scheduleId":"******@test.com",
   "availabilityView":"222222",
   "scheduleItems":[
      {
         "isPrivate":false,
         "status":"busy",
         "subject":"",
         "location":"",
         "isMeeting":false,
         "isRecurring":true,
         "isException":false,
         "isReminderSet":true,
         "start":{
            "dateTime":"2025-04-15T01:30:00.0000000",
            "timeZone":"UTC"
         },
         "end":{
            "dateTime":"2025-04-15T08:00:00.0000000",
            "timeZone":"UTC"
         }
      }
   ]
}

A review of the API documentation did not reveal any updates regarding this issue.