AoUMeter

Error while running the chunk
  [string "Mods/Addons/AoUMeter/Scripts/AoUMeterUtil.lua"]:126: attempt to call a table value
  func: (for generator), local, line: -1, defined: C, line: -1, [C]
    func: GetPartyMembers, global, line: 126, defined: Lua, line: 118, [string "Mods/Addons/AoUMeter/Scripts/AoUMeterUtil.lua"]
      func: RegenCombatantList, method, line: 762, defined: Lua, line: 754, [string "Mods/Addons/AoUMeter/Scripts/AoUMeterData.lua"]
        func: Start, method, line: 1079, defined: Lua, line: 1074, [string "Mods/Addons/AoUMeter/Scripts/AoUMeterData.lua"]
          func: CollectDamageDealedData, method, line: 947, defined: Lua, line: 935, [string "Mods/Addons/AoUMeter/Scripts/AoUMeterData.lua"]
            func: CollectDamageData, method, line: 924, defined: Lua, line: 919, [string "Mods/Addons/AoUMeter/Scripts/AoUMeterData.lua"]
              func: ?, ?, line: 242, defined: Lua, line: 239, [string "Mods/Addons/AoUMeter/Scripts/AoUMeterEvents.lua"]