https://github.com/OpenZeppelin/starter-kit-tutorial #54
Description
Contracts in my contracts folder have no problem finding things like
-
import "@openzeppelin/upgrades/contracts/Initializable.sol";
or
-
import "@openzeppelin/contracts-ethereum-package/contracts/token/ERC20/IERC20.sol"; -
import "@openzeppelin/contracts-ethereum-package/contracts/token/ERC20/StandaloneERC20.sol"; -
import "@openzeppelin/contracts-ethereum-package/contracts/ownership/Ownable.sol"; -
import "@openzeppelin/upgrades/contracts/Initializable.sol";
but it seems that the contracts in @openzeppelin/contracts-ethereum-package/contracts can't find each other. See first few error messages at bottom.
It must be something simple but I've followed the instructions at https://github.com/OpenZeppelin/starter-kit-tutorial exactly several times and can't change the result.
Thanks in advance!!!
=== Error Messages =====
C:\oz>npx openzeppelin compile
× Compiling contracts with solc 0.5.16 (commit.9c3226ce)
Compilation errors:
@openzeppelin/contracts-ethereum-package/contracts/ownership/Ownable.sol:5:1: ParserError: Source "@openzeppelin/contracts-ethereum-package/contracts/GSN/Context.sol" not found: File import callback not supported
import "../GSN/Context.sol";
^--------------------------^
@openzeppelin/contracts-ethereum-package/contracts/token/ERC20/StandaloneERC20.sol:4:1: ParserError: Source "@openzeppelin/contracts-ethereum-package/contracts/token/ERC20/ERC20Detailed.sol" not found: File import callback not supported
import "./ERC20Detailed.sol";
^---------------------------^
@openzeppelin/contracts-ethereum-package/contracts/token/ERC20/StandaloneERC20.sol:5:1: ParserError: Source "@openzeppelin/contracts-ethereum-package/contracts/token/ERC20/ERC20Mintable.sol" not found: File import callback not supported
import "./ERC20Mintable.sol";
^---------------------------^