It looks like you are missing some story code to deal with character creation. Did you test your adventure using the game client (not the editor) before you published the mod to see if it worked?

You can check out these two tutorial videos if you aren't familiar with how to add character creation to a standalone adventure:

Character Creation

Character Creation and Story Cleanup



DOS2 Mods: Happily Emmie After and The Noisy Crypt

Steam Workshop
Nexus Mods