Dereference of a possibly null reference.

Argument of type 'Expression<Func<TRelatedEntity, object>>' cannot be used for parameter 'foreignKeyExpression' of type 'Expression<Func<TRelatedEntity, object?>>' in 'ReferenceCollectionBuilder<TEntity, TRelatedEntity> ReferenceCollectionBuilder<TEntity, TRelatedEntity>.HasForeignKey(Expression<Func<TRelatedEntity, object?>> foreignKeyExpression)' due to differences in the nullability of reference types.

Argument of type 'Expression<Func<TEntity, IEnumerable<TRelatedEntity>>>' cannot be used for parameter 'navigationExpression' of type 'Expression<Func<TEntity, IEnumerable<TRelatedEntity>?>>' in 'ReferenceCollectionBuilder<TEntity, TRelatedEntity> ReferenceNavigationBuilder<TRelatedEntity, TEntity>.WithMany(Expression<Func<TEntity, IEnumerable<TRelatedEntity>?>>? navigationExpression)' due to differences in the nullability of reference types.

Argument of type 'Expression<Func<TRelatedEntity, TEntity>>' cannot be used for parameter 'navigationExpression' of type 'Expression<Func<TRelatedEntity, TEntity?>>' in 'ReferenceNavigationBuilder<TRelatedEntity, TEntity> EntityTypeBuilder<TRelatedEntity>.HasOne<TEntity>(Expression<Func<TRelatedEntity, TEntity?>>? navigationExpression = null)' due to differences in the nullability of reference types.

Argument of type 'Expression<Func<TRelatedEntity, object>>' cannot be used for parameter 'foreignKeyExpression' of type 'Expression<Func<TRelatedEntity, object?>>' in 'ReferenceCollectionBuilder<TEntity, TRelatedEntity> ReferenceCollectionBuilder<TEntity, TRelatedEntity>.HasForeignKey(Expression<Func<TRelatedEntity, object?>> foreignKeyExpression)' due to differences in the nullability of reference types.

Argument of type 'Expression<Func<TRelatedEntity, TEntity>>' cannot be used for parameter 'navigationExpression' of type 'Expression<Func<TRelatedEntity, TEntity?>>' in 'ReferenceCollectionBuilder<TEntity, TRelatedEntity> CollectionNavigationBuilder<TEntity, TRelatedEntity>.WithOne(Expression<Func<TRelatedEntity, TEntity?>>? navigationExpression)' due to differences in the nullability of reference types.

Argument of type 'Expression<Func<TEntity, IEnumerable<TRelatedEntity>>>' cannot be used for parameter 'navigationExpression' of type 'Expression<Func<TEntity, IEnumerable<TRelatedEntity>?>>' in 'CollectionNavigationBuilder<TEntity, TRelatedEntity> EntityTypeBuilder<TEntity>.HasMany<TRelatedEntity>(Expression<Func<TEntity, IEnumerable<TRelatedEntity>?>>? navigationExpression = null)' due to differences in the nullability of reference types.

Non-nullable property 'SecretKey' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'AccessKey' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.