getting this also
Server Exception: IndustrialEntity.RunQueue
NullReferenceException: Object reference not set to an instance of an object
at Oxide.Plugins.StackModifier+ItemContainer_QuickIndustrialPreCheck_Patch.Prefix (ItemContainer __instance, Item toTransfer, Vector2i range, System.Int32& foundSlot, System.Boolean& __result) [0x00080] in <94dd5ec29b9a4c6dbc74ae0e774cc3fe>:0
at (wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.ItemContainer.QuickIndustrialPreCheck_Patch1(ItemContainer,Item,Vector2i,int,int&)
at Hopper.ScanForItemsTick () [0x000f0] in <6ce3a68f9da44537af1250f63cfb92de>:0
at Hopper.RunJob () [0x0001a] in <6ce3a68f9da44537af1250f63cfb92de>:0
at IndustrialEntity+IndustrialProcessQueue.RunJob (IndustrialEntity job) [0x00009] in <6ce3a68f9da44537af1250f63cfb92de>:0
at ObjectWorkQueue`1[T].RunQueue (System.Double maximumMilliseconds) [0x00096] in <a19e054b76ef45e39366a26381f3a779>:0
at ServerMgr.Update () [0x00741] in <6ce3a68f9da44537af1250f63cfb92de>:0
UnityEngine.DebugLogHandler:Internal_LogException(Exception, Object)
UnityEngine.DebugLogHandler:LogException(Exception, Object)
UnityEngine.Logger:LogException(Exception, Object)
UnityEngine.Debug:LogException(Exception, Object)
ServerMgr:Update()