equinteros@gazelle:~/projects/NOVA-PROJECTS/TENDENCI/novalaciro$ ../venv/bin/python manage.py migrate navs SystemCheckError: System check identified some issues: ERRORS: boxes.Box.content_he: (models.E006) The field 'content_he' clashes with the field 'content_he' from model 'boxes.box'. navs.NavItem.label_he: (models.E006) The field 'label_he' clashes with the field 'label_he' from model 'navs.navitem'. navs.NavItem.title_he: (models.E006) The field 'title_he' clashes with the field 'title_he' from model 'navs.navitem'. pages.Page.content_he: (models.E006) The field 'content_he' clashes with the field 'content_he' from model 'pages.page'. pages.Page.title_he: (models.E006) The field 'title_he' clashes with the field 'title_he' from model 'pages.page'.