At around the 22:00 mark on the video when I try to "verify and publish" the flatten token contract with the bytecode on the Kovan network, I get this error:
Error! Unable to generate Contract Bytecode and ABI
Found the following ContractName(s) in source code: ERC20, ERC20Detailed, ERC20Mintable, IERC20, MinterRole, Ownable, Roles, SafeMath
But we were unable to locate a matching bytecode (err_code_2)
I am watching the "How to build an ICO with OpenZeppelin Part 2/2 [Revised]" Youtube video from rstormsf.
At around the 22:00 mark on the video when I try to "verify and publish" the flatten token contract with the bytecode on the Kovan network, I get this error:
Here's my code on Github: https://github.com/timl206/rmn-erc20-test