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Home/ Questions/Q 6594831
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Editorial Team
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Editorial Team
Asked: May 25, 20262026-05-25T17:51:41+00:00 2026-05-25T17:51:41+00:00

I have a .ics file which I am trying to validate from the site

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I have a .ics file which I am trying to validate from the site http://severinghaus.org/projects/icv/

Actually it’s giving the following error:

Sorry, your calendar could not be parsed.
Error: Error was: Error at line 13: Illegal component [ALARM]
Cause: Caused by: Illegal component [ALARM]

10: UID:1351
11: LOCATION: asdfghasdfgasdg, 27514
12: CLASS:PUBLIC
13: BEGIN:ALARM
14: TRIGGER:
15: ACTION:
16: DESCRIPTION:

Can somebody help me with this one.

Thanks

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1 Answer

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  1. Editorial Team
    Editorial Team
    2026-05-25T17:51:42+00:00Added an answer on May 25, 2026 at 5:51 pm

    Maybe try changing ALARM to VALARM?

    For instance, this validates:

    BEGIN:VCALENDAR
    VERSION:2.0
    PRODID:-//ABC Corporation//NONSGML My Product//EN
    BEGIN:VTODO
    DTSTAMP:19980130T134500Z
    SEQUENCE:2
    UID:uid4@host1.com
    ORGANIZER:MAILTO:unclesam@us.gov
    ATTENDEE;PARTSTAT=ACCEPTED:MAILTO:jqpublic@example.com
    DUE:19980415T235959
    STATUS:NEEDS-ACTION
    SUMMARY:Submit Income Taxes
    BEGIN:VALARM
    ACTION:AUDIO
    TRIGGER:19980403T120000
    ATTACH;FMTTYPE=audio/basic:http://example.com/pub/audio-
     files/ssbanner.aud
    REPEAT:4
    DURATION:PT1H
    END:VALARM
    END:VTODO
    END:VCALENDAR

    This does not:

    BEGIN:VCALENDAR
    VERSION:2.0
    PRODID:-//ABC Corporation//NONSGML My Product//EN
    BEGIN:VTODO
    DTSTAMP:19980130T134500Z
    SEQUENCE:2
    UID:uid4@host1.com
    ORGANIZER:MAILTO:unclesam@us.gov
    ATTENDEE;PARTSTAT=ACCEPTED:MAILTO:jqpublic@example.com
    DUE:19980415T235959
    STATUS:NEEDS-ACTION
    SUMMARY:Submit Income Taxes
    BEGIN:ALARM
    ACTION:AUDIO
    TRIGGER:19980403T120000
    ATTACH;FMTTYPE=audio/basic:http://example.com/pub/audio-
     files/ssbanner.aud
    REPEAT:4
    DURATION:PT1H
    END:ALARM
    END:VTODO
    END:VCALENDAR
    
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