Hello All,
I have a model like this:
class Concept(models.Model):
tag = models.ForeignKey(Tag, null=True, on_delete=models.SET_NULL)
Now, I've a piece of code in my view:
if concept.tag:
concept.tag.delete()
concept.save()
I'm getting this error in line concept.save()
ValueError: save() prohibited to prevent data loss due to unsaved related object 'tag'.