in my model defn i have
from django.contrib.postgres.fields import JSONField ..... ....... ......... media_data=JSONField(default=dict)
I crea
i have similar problem previously. adding required=False in your form field will solve the problem.
required=False
class YourForm(forms.ModelForm): media_data = SimpleArrayField(JSONField(), required=False, widget=forms.Textarea, delimiter='|')