truffle unbox react, unhandled rejection : Unhandled Rejection (Error): This contract object doesn't have address set yet, please set an address first.

 

Unhandled Rejection (Error): This contract object doesn't have address set yet, please set an address first. 

 

-> react와 truffle, ganache를 동작하다가 나온 에러 

 

해결법 : react 페이지가 뜬 브라우저의 메타마스크 지갑을 localhost로 바꿔주면 된다 !! 나는 Rinkeby 테스트넷에 연결되어 있어서 안되었다. 

 

 

 

 

Reference : https://stackoverflow.com/questions/56980736/truffle-unbox-react-unhandled-rejection

truffle unbox react, unhandled rejection