TransferFrom : ERC20 Token failed

Support Contracts
1

I have deployed Standard ERC20 token using openZeppellin on REMIX IDE.
Transfer function working fine but when I am trying to transfer Token using transferFrom function and facing this error as below:-
image

:1234: Code to reproduce

// contracts/GLDToken.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.6.0;
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v3.1.0/contracts/token/ERC20/ERC20.sol";

contract GLDToken is ERC20 {
    constructor(uint256 initialSupply) public ERC20("Gold", "GLD") {
        _mint(msg.sender, initialSupply);
    }
}

:computer: Environment

REMIX IDE

2

If you read the error you should see that there is no suffient allowance. Did you called the approve method?

3

Thanksa lot....I approved the allowance and transferFrom functions worked properly without any error