“gas required exceeds allowance” on Remix Ethereum

Hello,

I am trying to mint 999 NFTs on remix.ethereum.org with a solidity smart contract.
I am successfull when minting 10 or 50 NFTs – but when i want to run the whole collection i get this error:

​

https://preview.redd.it/2g31vjobh7c81.png?width=1286&format=png&auto=webp&s=44044887db836741bfa08e593259c02827b5f0e5