An error with cartridges and saving the blueprint.

For more information see here Bug Report Template

Build:
B4742
Mode: Survive
Platform: Steam or EPIC (Steam users should only leave Steam here & EPIC users should only leave EPIC here)
Steam
DLC Installed:
dark Faction

SERVER NAME: -
SEED-ID: -

If applicable:
MODIFIED PLAYFIELDS:...

An error with cartridges and saving the blueprint.