Can't Verify Contract - Never saw this error

[justadev]

Hi, I’m using Remix and successfully compiled a code that that’s a single file but two components: Utils (utilities methods) and main contract.

I’ve included everything and also the ABI for the input, but there’s a message I’ve never seen before (I’ve successfully compiled other contracts). Input argument was the pancake v2 router:

Detail - On TestNet, it verified successfully

[Yoshiko]

Hello there, welcome to Open Zeppelin.

Please check out this tutorial Verify ERC20 token on Etherscan that was deployed through Remix: Step by Step Guide

[justadev]

Thanks! It worked perfectly!