未申报标识符: 需要自备( kenID) 错误
原文:Undeclared identifier : _requireOwned(tokenId) error
原文:Undeclared identifier : _requireOwned(tokenId) error
我在执行智能合同时误差以下:声明错误:未申报识别符号。 -- > @openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol:35:9:____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________