  class FooterLinkCol0(FooterLink):     template_items = ForeignKey('TemplateItems', related_name='footer_links_col_0', null=True, on_delete=models.SET_NULL)  class FooterLinkCol0(FooterLink):     template_items = ForeignKey('TemplateItems', related_name='footer_links_col_0', null=True, on_delete=models.SET_NULL)  class FooterLinkCol0(FooterLink):     template_items = ForeignKey('TemplateItems', related_name='footer_links_col_0', null=True, on_delete=models.SET_NULL)  class FooterLinkCol0(FooterLink):     template_items = ForeignKey('TemplateItems', related_name='footer_links_col_0', null=True, on_delete=models.SET_NULL)  