I can’t do this anymore

I interviewed for this big ngo for a fundraising officer position, all went well, 3 stages were perfect, everyone was so nice and loved me

And today I receive an email, basically the manager making me understand that they would’ve hired me but they decided to change the fundraising position into a CRM one and said that I don’t have the expertise for this new role

I’m actually gonna turn violent someday, graduated in September and couldn’t land a job yet