I got fired from my dream job, what do I do?

Well I'm 19, I got very lucky and got a job at a performance shop working on Porsche's. Keep in mind I've been a lube tech at honda for about 4 months with some other minimal experience. So I messed up on the first day and basically got fired. I feel ashamed, embarrassed, stupid,etc. The list could go on. I'm at an all time low and need advice on what to do. My passion is automotive performance, especially with European cars… Just don't have any good experience

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