iCalendar (.ics) file fails parsing due to "Parse Error"

The full calendar iCalendar file (DTCalendar.ics) fails to parse due to ���Parse Errors���. The full calendar file is 3013156 bytes in size on linux. The parse errors are shown below:

[*error*] Parse Error: Failed to populate vcalendar[1]. Expected 1 item(s). Cause: Parse Error: Delimiter not found.

Schema context: vcalendar Location line 65 column 18 in file:/home/dthompson/dfdl-dataformats/data-formats/iCalendar/src/main/resources/com/mitre/iCalendar/xsd/iCalendar.dfdl.xsd

Data location was preceding byte 1112078 limit(bytes) 3013156.

Schema context: vcalendar Location line 65 column 18 in file:/home/dthompson/dfdl-dataformats/data-formats/iCalendar/src/main/resources/com/mitre/iCalendar/xsd/iCalendar.dfdl.xsd

Data location was preceding byte 1112078 limit(bytes) 3013156

[*error*] Parse Error: Delimiter not found.

Schema context: vcalendar Location line 65 column 18 in file:/home/dthompson/dfdl-dataformats/data-formats/iCalendar/src/main/resources/com/mitre/iCalendar/xsd/iCalendar.dfdl.xsd

Data location was preceding byte 1112078 limit(bytes) 3013156