How to resolve this issue? Here is my CROWDSALE contract: pragma solidity ^0.5.0; import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v2.5.1/contracts/crowdsale/Crowdsale.sol"; import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v2.5.1/contract…

Crowdsale: DeclarationError: Identifier not found or not unique. ERC20 _token, ^---^

abcoathup April 29, 2021, 3:38am 10

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