I'm sorry if hijacking this thread with a similar issue is not acceptable. I just received the same error message when trying to create a Supplier Invoice, and I do have the JSON. {
"documentType": {
"value": "Invoice"
},
"referenceNumber": {
"value": 12345
},
"hold": {
"value": "false"
},
"date": {
"value": "2022-05-31"
},
"origInvoiceDate": {
"value": "2022-05-31"
},
"supplierReference": {
"value": "XYZ2205"
},
"supplierNumber": {
"value": "60048"
},
"description": {
"value": "AUTO-XYZ2205"
},
"currencyId": {
"value": "DKK"
},
"creditTermsId": {
"value": 60
},
"dueDate": {
"value": "2022-07-29"
},
"note": {
"value": ""
},
"invoiceLines": [
{
"Operation": "Insert",
"transactionDescription": {
"value": "XYZ2205"
},
"accountNumber": {
"value": "4120"
},
"vatCodeId": {
"value": "I25"
},
"costInCurrency": {
"value": 30.6
}
},
{
"Operation": "Insert",
"transactionDescription": {
"value": "XYZ2205"
},
"accountNumber": {
"value": 2986
},
"vatCodeId": {
"value": "I25"
},
"costInCurrency": {
"value": 44049.18
}
},
{
"Operation": "Insert",
"transactionDescription": {
"value": "XYZ2205"
},
"accountNumber": {
"value": 2989
},
"vatCodeId": {
"value": "I25"
},
"costInCurrency": {
"value": 16002.26
}
}
]
}
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