unable to package my game because of strange error -- log link updated

The reason it failed after 1 minute is because the same issues you had back then persist now and you need to deal with them.

The only error I see is this (but there are MORE errors; Unreal is saying, “start with this one before I give you anything else…”):

ERROR: System.ArgumentException: An item with the same key has already been added.

Which is encountered here:

Which was solved by migration.

You’re going in circles, so yeah, roll up the sleeves, and migrate → package one by one.