CrystalHelmetAutoEquip

Error while running the chunk
  [string "Mods/Addons/CrystalHelmetAutoEquip/Scripts/CrystalHelmet.lua"]:56: attempt to call a table value
  func: (for generator), local, line: -1, defined: C, line: -1, [C]
    func: GetGameLocalization, global, line: 56, defined: Lua, line: 46, [string "Mods/Addons/CrystalHelmetAutoEquip/Scripts/CrystalHelmet.lua"]
      func: Init, global, line: 401, defined: Lua, line: 398, [string "Mods/Addons/CrystalHelmetAutoEquip/Scripts/CrystalHelmet.lua"]
        func: ?, ?, line: 467, defined: main, line: 0, [string "Mods/Addons/CrystalHelmetAutoEquip/Scripts/CrystalHelmet.lua"]