每当我尝试编译我的 Solidity 合约时,ParserError: Source \"@OpenZeppelin/contracts/math/SafeMath.sol\" not found: File import callback not supported都会抛出错误。
pragma solidity ^0.7.0;
import "@OpenZeppelin/contracts/token/ERC20/ERC20.sol";
import "@OpenZeppelin/contracts/math/SafeMath.sol";
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任何想法可能导致这种情况?