WSL2 with Solidity plugin: Compile error: File import callback not supported

Hi @rmourey26,

I am sorry you had this issue.

Can you share your contract and test, or a cutdown version (at least showing the imports and inheritance)? That way I can try to reproduce.

I have a simple fixed supply ERC20 upgradeable example using Truffle that you could try: Create upgradeable ERC20