Why forgive the correct format of the DataTime field?

Question

Django

model.py

enterDateTime = models.DateTimeField(blank=True, null=True)

form.py

enterDateTime = forms.DateTimeField(widget=forms.DateTimeInput(
        attrs={'class': 'btn btn-sm btn-outline-primary bg-light col-8 text-dark', 'style': 'text-align: left',
               'type': 'datetime-local'}), required=False)

view.py

formAddForm003y_str1 = addForm003y_str1(request.POST or None, initial={'surName': patient.surName,
                                                                           'firstName': patient.firstName,
                                                                           'secondName': patient.secondName,
                                                                           'dateOfBirth': datetime.strftime(
                                                                               patient.dateOfBirth, "%Y-%m-%d"),
                                                                           'enterDateTime': format(datetime.today(),
                                                                                                   '%Y-%m-%dT%H:%M'),
                                                                           'sex': patient.sex,
                                                                           'diagnosis_directed': inpatientcard.protocolOfCommission.diagnosis,
                                                                           'diagnosis_entered': inpatientcard.protocolOfCommission.diagnosis,
                                                                           'diagnosis': inpatientcard.protocolOfCommission.diagnosis,
                                                                           'mkb': inpatientcard.protocolOfCommission.mkb})

index.html <- str1.html (this is the form that is inserted into the index)

{{ formAddForm003y_str1.enterDateTime.errors }}
    <label for="{{ formAddForm003y_str1.enterDateTime.id_for_label }}"
           class="col-3">Дата и время поступления:</label>
    {{ formAddForm003y_str1.enterDateTime }}

When submitting the form, it gives the following warning:
Please enter the correct date and time.
Why does it arise?

Answer 1

turn on debugging in sessions and look at the logs
at a glance - you don't have seconds

Answer 2

If the monitor is no longer under warranty, you can disassemble it yourself. First of all, with this inclusion, the fuse should have burned out. It is not difficult to replace it yourself, and its price is 10 rubles, no more ... If the monitor is under warranty, do not hesitate to contact the service center.

Answer 3

Apparently, carry it to the service, in the non-native one there could be a different polarity, insufficiently rectified voltage, etc ... It is likely that the thread burned out.