sonic-radiance.love/birb/modules/gui/menus/widgets/text.lua

@@ -40,8 +40,9 @@ end
 
 function TextWidget:addLabel(label, position)
     local complexLabel = {}
+    assert(label ~= nil, "Label can't be nil")
     complexLabel.label = label
-    complexLabel.position = position
+    complexLabel.position = position or "left"
     table.insert(self.labels, complexLabel)
 end