Maybe it helps to have a fuller understanding of the no-verity-opt-encrypt-samsung-1.0.zip. It is difficult to find easy to digest information. You will need a good ad-blocker to read this article, sorry, https://www.androidinfotech.com/no-verity-opt-encrypt-versions/.
I see that you feel you got a fail. I would take a more optimistic view; Samsung did not want to send you a helpful message that you had liberated the device! I may be wrong. I hope your phone continues to run /e/ successfully!
S9 starlte Documentation Suggestions takes a bit of reading but is probably worthwile!