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I have a Postgres Database in my django project. I have a model called enquiry

class Enquiry(models.Model):
    product_name = models.CharField(max_length = 100)
    product_id = models.ForeignKey(List, on_delete = models.CASCADE)
    user_name = models.CharField(max_length = 100)
    user_email = models.CharField(max_length = 50)
    user_address = models.CharField(max_length = 200)
    user_mobile = models.IntegerField(default=0)
And I createed a ffunction to create a new enquiry
Enquiry.objects.create(
            product_name = product_name,
            product_id = product_id,
            user_name = user_name,
            user_email = user_email,
            user_address="None",
            user_mobile = user_mobile
But I get an error
django.db.utils.DataError: integer out of range
how to solve this?
        
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