HYTOS

                    errors.append(error)

            # check if symbol size if 0

            if self.size[0] == 0 or self.size[1] == 0:

                error = SymbolSvgItem.createItem('Error', None, dataPath)

                error.parent = self

                error.area = 'Drawing'

                error.name = 'Error'

                errors.append(error)

            # check if association item's owner exists

            for assoc in self.associations():