AITA for yelling at my boss?

I’m the one at fault. So she said I’m not going to get a job at CVs anymore and that I’m a problem and that I’m one to blame for me disappearing from the schedules and not letting her know. So I said back in a very loud tone” you cannot do this to me” and she cut off the phone. I feel like a piece of shit right now

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Also, I did mention it to the girl who does the schedules that I won’t be here until mid April. Do you think I made a mistake by not telling her directly?
AITA for yelling at my boss?
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