models.py ''' class Person(models.Model): firstname = models.CharField(max_length=30) lastname = models.CharField(max_length=30) othernames = models.CharField(max_length=40) dateOfBirth = models.DateField() gender = models.CharField(max_length=20) birthGender = models.CharField(max_length=20) email = models.EmailField(max_length=100) class Student(Person): studentId = models.IntegerField() admissionDate = models.DateField() enrolmentStatus = models.BooleanField() studentExamCode = models.IntegerField() schoolYear = models.IntegerField()  ''' forms.py ''' class studentF(ModelForm): class Meta: model = Student fields = ['firstname', 'lastname', 'othernames', 'dateOfBirth', 'gender', 'birthGender', 'email', 'studentId', 'admissionDate', 'enrolmentStatus', 'studentExamCode', 'schoolYear']  ''' I am getting the error in the title, how do I fix it?
make sure you have done what @raphael said you should do. if issue persist, python manage.py makemigrations --merge python manage.py migrate --fake  reset db python manage.py migrate *yourapp* zero python manage.py migrate 