I messed up through lack of understanding. Tried to mint 999 tokens and it’s ‘dropped’

So I tried to mint my digital art on rarible cos someone threatened to do it before me, using a low res screenshot copy of my art work. I panicked and rushed the process of trying to mint it on rarible. I set 999 copies and the total gas price was $24.89 which I seemingly paid. However it's been pending for 3 hours and when I clicked to go to etherscan, it says it's 'Dropped'. I clearly don't know what I'm doing… I want to try re-do this but maybe only do 3 copies or something. ELI5 🙁