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'.