[bug]: Remote iCal calendars no longer working - exception Call to a member function getTimestamp() on array

[adrianaditech]

FreePBX Version

FreePBX 16

Issue Description

Using remote iCal calendar in the calendar module no longer works.
It no longer pulls events (even though the ical credentials and address are correct, work in other clients, and this used to work a few months ago in the PBX), and exception on trying to update the calendar in the admin configuration or change its settings

Attached screenshot

UI hangs completely then shows an exception after a minute of loading, when you try to edit a calendar.
All of these issues weren't present a few months ago.

Operating Environment

PBXact UC25
Current PBX Version:16.0.40.7
Current System Version:12.7.8-2306-1.sng7

Reboots do not help

Relevant log output

No response