Help with error message that pops up with startup.

[opel65]

Could someone help me out? I'm getting this error message every times I start my game.

EsoUI/Libraries/ZO_Templates/ScrollTemplates.lua:797: attempt to index a nil value
stack traceback:
EsoUI/Libraries/ZO_Templates/ScrollTemplates.lua:797: in function 'ZO_ScrollList_AddDataType'
|caaaaaa<Locals> typeId = 998, templateName = "AC_InventoryItemRowHeader", height = 52, setupCallback = user:/AddOns/AutoCategory/AutoCategory_Hooks.lua:45, hideCallback = EsoUI/Ingame/Inventory/Inventory.lua:75, resetControlCallback = EsoUI/Ingame/Inventory/InventorySlot.lua:276 </Locals>|r
user:/AddOns/AutoCategory/AutoCategory_Hooks.lua:78: in function 'AutoCategory.HookKeyboardMode'
|caaaaaa<Locals> AC_Setup_InventoryRowWithHeader = user:/AddOns/AutoCategory/AutoCategory_Hooks.lua:45, rowHeight = 52 </Locals>|r
user:/AddOns/AutoCategory/AutoCategory.lua:243: in function 'AutoCategory.LazyInit'
|caaaaaa<Locals> isTableEmpty = user:/AddOns/AutoCategory/AutoCategory.lua:213 </Locals>|r
user:/AddOns/AutoCategory/AutoCategory.lua:260: in function 'AutoCategory.Initialize'
|caaaaaa<Locals> event = 65536, addon = "AutoCategory" </Locals>|r
user:/AddOns/AutoCategory/AutoCategory.lua:283: in function '(anonymous)'