Cannot Create Opportunity, Nullable object must have a value.

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Hi,

Trying to create an opportunity using the Dynamics 365 v9 SDK. I can create other objects fine, like PriceLevel and Account, but cannot create an opportunity.

 using (var _serviceProxy = new OrganizationServiceProxy(OrganizationUri, HomeRealmUri, Credentials, null))
            { 
var _service = (IOrganizationService)_serviceProxy;
                _serviceProxy.EnableProxyTypes();

                var pricelevel2 = _service.Retrieve("pricelevel", Guid.Parse(price_level_id), new ColumnSet(true));
                var owner = _service.Retrieve("systemuser", Guid.Parse(system_user_id), new ColumnSet(true));
                var _account = _service.Retrieve("account", Guid.Parse(account_id), new ColumnSet(true));
               
                Opportunity newOpportunity = new Opportunity
                {
                    Id = Guid.NewGuid(),
                    OpportunityId = Guid.NewGuid(),
                    Name = "Example Opportunity",
                    PriceLevelId = pricelevel2.ToEntityReference(),
                    OwnerId = owner.ToEntityReference(),
                    CustomerId = _account.ToEntityReference(),
                    ParentAccountId = _account.ToEntityReference(),
                    EntityState = EntityState.Created,
                    IsRevenueSystemCalculated = false,
                    EstimatedValue = new Money(400.00m),
                    FreightAmount = new Money(10.00m),
                    DiscountAmount = new Money(0.10m),
                    DiscountPercentage = 0.20m
                };

                var _opportunityId = _serviceProxy.Create(newOpportunity);
}

I get an error "Nullable object must have a value.'" but I have checked the Opportunity object at https://docs.microsoft.com/en-us/dynamics365/customer-engagement/developer/entities/opportunity#entity-properties and all SystemRequired objects should be filled in.

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a33ik 84,331 Most Valuable Professional on at

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Hello,

Try to populate TransactionCurrencyId lookup. You use money field without mentioned lookup populated. This could lead to issue.

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Community Member on at

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Added TransactionCurrencyId entity reference to the opportunity, still getting the same error.

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a33ik 84,331 Most Valuable Professional on at

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I never liked early-binding.

Here is almost the same code written using late-binding and it works fine for me:

var opportunity = new Entity("opportunity")

{

["name"] = "Example Opportunity",

["pricelevelid"] = priceLevel.ToEntityReference(),

["customerid"] = account.ToEntityReference(),

["parentaccountid"] = account.ToEntityReference(),

["isrevenuesystemcalculated"] = false,

["estimatedvalue"] = new Money(400m),

["freightamount"] = new Money(10m),

["discountamount"] = new Money(0.1m),

["discountpercentage"] = 0.2m

};

var oppId = service.Create(opportunity);

Regarding why your code doesn't work... try to remove following lines:

Id = Guid.NewGuid(),

OpportunityId = Guid.NewGuid(),

and

EntityState = EntityState.Created,

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Daryl LaBar 500 Most Valuable Professional on at

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Is there a stack trace? Does the call make it to CRM and then error in a plugin or is it client side?

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