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I have made Solana NFT using Metaplex Candy Machine.

I have uploaded 1000 NFT. But In candy machine UI, shows available count is 985.

I lost 15 NFTs.

Also, if I click Mint Button, the count was reduced to 3 at once. and can't see NFT on my phantom wallet.

It worked on devnet perfectly, but after deploying mainnet, it occurred above error.

Please help me with this issue. how to fix this?.

I can't retrieve the lost NFTs?

Jacob Gavrilov
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2 Answers2

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I have not seen this exact error but it could be because you did not run the verify_upload cmd after you uploaded.

Source: https://docs.metaplex.com/candy-machine-v2/verify-upload

This is always recommended as network issues can cause some transactions to fail in large uploads and the CLI won't retry if they fail. The only way to confirm they are all uploaded is

ts-node ~/metaplex/js/packages/cli/src/candy-machine-v2-cli.ts verify_upload -e devnet -k ~/.config/solana/devnet.json -c example

If this fails with: Error: not all NFTs checked out. check out logs above for details then just rerun the upload cmd and verify again until it outputs Ready to deploy!

Sean O
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You can launch the deployment of NFTs multiple times until it is okay.

KotlinIsland
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