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caktus / django-treenav

Extensible, hierarchical, and pluggable navigation system for Django sites
BSD 3-Clause "New" or "Revised" License
130 stars 34 forks source link

Django 2.1.1 error #72

Closed CARocha closed 5 years ago

CARocha commented 6 years ago

Hi, i have this Error TypeError: init() missing 1 required positional argument: 'on_delete'

HyperGrapher commented 5 years ago

go to site-packages/treenav/migrations/0001_initial.py or the place where your packages are installed.

Locate models.ForeignKey and mptt.fields.TreeForeignKey

Add the following line on_delete=models.CASCADE after null=True