Lodewyk van der Westhuizen

Support for [VersionedTransactions](https://solana.com/docs/core/transactions/versions) - attempting to modify existing code as we speak. Hopefully a PR isn't too far down the road.

`'sed' is not recognized as an internal or external command` - you are missing `sed` which is an application generally available in Linux. I see that you are using Windows;...

Just as a note, I'm not a SEI developer and just commenting based on the errors you are getting. For the first screenshot you need to update go version >=...

Depends on your package manager. Ubuntu? `sudo apt-get install golang`