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Discussion on: How to Build a Full Stack NFT Marketplace - V2 (2022)

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Adam Sobotka

Nice article, thanks. I am getting
reason: 'could not detect network',
code: 'NETWORK_ERROR',
event: 'noNetwork',
when I try to deploy to mumbai. Any idea what could be wrong?

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Adam Sobotka • Edited

Also getting a weird metamask RPC errors, like
message: "NetworkError when attempting to fetch resource." or similar with empty message. I found some related reports, could be caused by some metamask/firefox combination. Weird is that it works fine on localhost. Could be some Matic issue? Also tried to switch to infura RPC, didn't help. Any idea what can I try?

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John Rigler

I had to change to this network: matic-mumbai.chainstacklabs.com