https://github.com/scaffold-eth/scaffold-eth/issues/476
In Metamask, ensure you are on your dev/test account then:
- click on the avatar circle top right
- In the menu, choose
Settings - Click
Advanced - Scroll down a bit, make sure again you are on your testnet account, click
Reset Account
大概是重置帐号就能解决
标签：Nonce,nonce,automining,Note,Expected,your,ERC20 From： https://www.cnblogs.com/jackluo/p/17026983.html