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ECC refund with transaction ID

I am submitting ECC refund with full credit card number and expiration date with no transaction ID. And yet I get a response code 33 with error message "A valid referenced transaction ID is required.".

I am using C# with SDK.


Hello @intersoft 


Are you including the transactionID object in your request?  It should be removed, not just set as null


<createTransactionRequest xmlns="AnetApi/xml/v1/schema/AnetApiSchema.xsd">
		<refTransId>1234567890</refTransId> remove completely
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