Hi Bolaurent, Thanks for your reactivity and your answer. However I tried ti add the field subscriptionNumber in my subscription array and I still have the same error : Array ( [0] => Array ( [Account] => Array ( [AccountId] => 2c92c0f85c48f335015c56eb44450455 ) [BillToContact] => Array ( [ContactId] => 2c92c0f95c490174015c56f0659e3e22 ) [SubscriptionData] => Array ( [Subscription] => Array ( [AutoRenew] => 0 [ContractEffectiveDate] => 2017-02-01 [Name] => Pack Google Pre [Nom_du_vendeur__c] => DOBIGNY - V00131285 [OldContractId__c] => 7948165 [RenewalSetting] => RENEW_WITH_SPECIFIC_TERM [RenewalTerm] => [ServiceActivationDate] => 2017-02-01 [TermStartDate] => 2017-02-01 [Status] => Draft [TermType] => TERMED [AccountId] => 2c92c0f85c48f335015c56eb44450455 [InvoiceOwnerId] => 2c92c0f85c48f335015c56eb44450455 [subscriptionNumber] => A-S00000041 ) [RatePlanData] => Array ( [RatePlan] => Array ( [ProductRatePlanId] => 2c92c0f957bc82720157becaa2d61655 ) ) ) ) ) By the way I tried with the name subscriptionNumber, SubscriptionNumber and Number without success. Do you have any other idea ? Thanks for your help.
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