Error while creating contracts: The association between entities 'TaxiDriver' and 'TaxiContract' with the key value '{DriverId: 1}' has been severed, but the relationship is either marked as required or is implicitly required because the foreign key is not nullable. If the dependent/child entity should be deleted when a required relationship is severed, configure the relationship to use cascade deletes.
подскажите в чем проблема?
я знаю что зависимость обязательная и я передаю ид зависимости, когда создаю сущность
Отношение какое тут?
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