Django Rest - ManyToManyField with SlugRelatedField Data Is Not Being Created

[Érika Barros]

Hello friends!

I have a detailed question on this link (Stack Overflow).

In resume, I can't create a new object on database using SlugRelatedField by the method create() and I receive the following error:

return CalculatorNotFoundException(logger, request_json['name']).response

Can anybody help me?

Thank you so much!!!

Érika.

[Motaz Hejaze]

Erika i think your models are not implemented correctly ..
why you have a foreign key field in TagLink linking to Tags , while you already have a manytomany relation between the Tag and Calculator through TagLink !!!!
try to remove the tag field from     "  through_fields=('calculator', 'tag') "

or remove " tag = models.ForeignKey(Tag, on_delete=models.CASCADE, db_column='sTag') "

I think you are making a circular relation 

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