NullReferenceException: Object reference not set to an instance of an object
  at Devdog.InventoryPro.ItemCollectionBase.GetCurrencyByID (UInt32 currencyID) [0x00000] in C:\Unity Projects\x\Studio\x\Assets\Devdog\InventoryPro\Scripts\Collections\ItemCollectionBase.cs:1323
  at Devdog.InventoryPro.ItemCollectionBase.CanAddCurrencyCount (UInt32 currencyID) [0x0001f] in C:\Unity Projects\x\Studio\x\Assets\Devdog\InventoryPro\Scripts\Collections\ItemCollectionBase.cs:1339
  at Devdog.InventoryPro.ItemCollectionBase.CanAddCurrency (UInt32 currencyID, Single amount) [0x00003] in C:\Unity Projects\x\Studio\x\Assets\Devdog\InventoryPro\Scripts\Collections\ItemCollectionBase.cs:1390
  at Devdog.InventoryPro.ItemCollectionBaseAddCounter.GetBestCollectionForCurrency (Devdog.InventoryPro.CurrencyInventoryItem currency) [0x00033] in C:\Unity Projects\x\Studio\x\Assets\Devdog\InventoryPro\Scripts\Collections\ItemCollectionBaseAddCounter.cs:177
  at Devdog.InventoryPro.ItemCollectionBaseAddCounter.TryAdd (IList`1 itemsToAdd) [0x0009f] in C:\Unity Projects\x\Studio\x\Assets\Devdog\InventoryPro\Scripts\Collections\ItemCollectionBaseAddCounter.cs:407
  at Devdog.InventoryPro.InventoryManager.CanAddItems (Devdog.InventoryPro.ItemAmountRow[] items, Boolean rebuildCounter) [0x00014] in C:\Unity Projects\x\Studio\x\Assets\Devdog\InventoryPro\Scripts\Managers\InventoryManager.cs:488
  at Devdog.InventoryPro.InventoryManager.CanAddItem (ItemAmountRow row) [0x00015] in C:\Unity Projects\x\Studio\x\Assets\Devdog\InventoryPro\Scripts\Managers\InventoryManager.cs:478
  at Devdog.InventoryPro.InventoryManager.CanAddItem (Devdog.InventoryPro.InventoryItemBase item) [0x0000d] in C:\Unity Projects\x\Studio\x\Assets\Devdog\InventoryPro\Scripts\Managers\InventoryManager.cs:473
  at Devdog.InventoryPro.ItemTrigger.CanUse (Devdog.General.Player player) [0x00036] in C:\Unity Projects\x\Studio\x\Assets\Devdog\InventoryPro\Scripts\Modules\Triggers\ItemTrigger.cs:53
  at Devdog.InventoryPro.ItemTrigger.Use (Devdog.General.Player player) [0x00009] in C:\Unity Projects\x\Studio\x\Assets\Devdog\InventoryPro\Scripts\Modules\Triggers\ItemTrigger.cs:64
  at Devdog.InventoryPro.InventoryPlayer.TryPickup (UnityEngine.GameObject obj) [0x0005b] in C:\Unity Projects\x\Studio\x\Assets\Devdog\InventoryPro\Scripts\Modules\Player\InventoryPlayer.cs:211
  at Devdog.InventoryPro.InventoryPlayer.OnTriggerEnter (UnityEngine.Collider col) [0x00008] in C:\Unity Projects\x\Studio\x\Assets\Devdog\InventoryPro\Scripts\Modules\Player\InventoryPlayer.cs:185