Does the issue occur in the editor or during gameplay?
If it's a gameplay issue, please specify which movement system and camera type you're using (free movement vs. grid movement, third-person vs. first-person) or N/A if not applicable:
Briefly describe the issue you're experiencing:
After adding an NPC to the party, removing them, and then saving the game, quitting, and reloading, an attempt to restore via the member ID results in in-game console errors.
Are there any errors in the in-game debug console or external console window?

Provide the steps necessary to reproduce the issue:
- Quick play
- add_party_member("model", "member_ID");
- remove_party_member("member_ID");
- save_game();
- Quit Game
- Restart
- Continue/Load
- restore_party_member("member_id");