I have send al most 5400 invoice to zatca, most of them came with success but some came as with error, Last day i notice i send all invoice with inovie id as icv number although i have a separate filed for create icv and its save fine but i forget to use it in xml file, now if i start using it will it create problem?? or for using invoiceId as icv number have any problem, what should i do?? My inoice id is unique but its not always due to credit and debit note,