Changes

                split = mw.ustring.find(resource, '/')

                split = mw.ustring.find(resource, '/')

                local amount = mw.ustring.sub(resource, split + 1)

                local amount = mw.ustring.sub(resource, split + 1)

                resource = Formatting:format_image{mw.ustring.sub(resource, 1, split - 1) .. ".png", caption = mw.ustring.sub(resource, 1, split - 1)}

                resource = Formatting:format_image{mw.ustring.sub(resource, 1, split - 1) .. ".png", caption = mw.ustring.sub(resource, 1, split - 1), size = "22x22px"}

                 table.insert(self._rows, format{self._resource_node_template, values = { node = node, amount = amount, resource = resource } })

                 table.insert(self._rows, format{self._resource_node_template, values = { node = node, amount = amount, resource = resource } })

            end

            end