I am having the same problem. I cannot change the set up, as it was provided by the “school” doing this course. I am in an Oracle VM VirtualBox with Ganache setting up the test net and truffle. Doing a truffle develop gives me an http of 127.0.0.1:9545. Ganache is supposed to be ChainID of 1337, but…

Hi @ArntheWeeb , Sharing the Trufflesuite docs in case it helps. Truffle and MetaMask - Truffle Suite [image] Does anything in this post from the stackexchange help? [Prasanna Desai] Could not fetch chain ID. Is your RPC URL correct? go-ethereum, blockchain, metamask …

Also to confirm, same question posed here - [image] Adding Custom Network as Ganache ChainID Issue Developer Discussion Are you filling out the other information? Network name and RPC URL?

Chain ID issue - assitance?

Developer Discussion

KBeeTheCapybara May 30, 2022, 3:37pm 3

Also to confirm, same question posed here -

Topic		Replies	Views
Could Not Fetch chain ID. Is your RPC URL correct? Support	2	6135	May 30, 2022
ChainID - Could not fetch chain ID. Is your RPC URL correct? Support	10	71283	February 3, 2022
Metamask Mobile cannot connect to private EVM chain #5210 Developer Discussion	7	1796	December 7, 2022
Could not fetch chain ID. Is your RPC correct Support	4	2131	May 19, 2022
Enable to connect metamask to ganache Developer Discussion	2	74	February 10, 2025

Chain ID issue - assitance?

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