[Garkin]

Originally Posted by Garkin Everywhere, where are you using method :GetMaterialQuantity is a check if return value exists. But in the SetupFunction in :InitializeMaterialList is this check missing. There should probably be something like this: local function SetupFunction(control, data, selected, selectedDuringRebuild, enabled)       --original code here       local currentSelectedQuantity = self:GetMaterialQuantity(data.patternIndex, data.materialIndex)     --added check if return value exists:     if not currentSelectedQuantity then         self:SetMaterialQuantity(data.patternIndex, data.materialIndex, data.min)         currentSelectedQuantity = data.min     end      --rest of the original code   end

This code was added to EsoUI source in patch 1.5.8. ;-)