Due to the most recent updates, the Turret generation this script used has been changed.
The following Changes need to be made in 'inventory.lua' in 'data/scripts/commands/'
Line 10
Add
TurretGenerator = require("turretgenerator")
Line 46
Replace
GenerateTurretTemplate(random():createSeed(), weapontype, dps, tech, rarity, material)
with
TurretGenerator.generateSeeded(random():createSeed(), weapontype, dps, tech, rarity, material)
This will allow the script to spawn turrets again.