Frequently Asked Question

- I am getting the following error: {Message “:” The request is invalid.”,”ModelState”:{“invoice.ReferentDocumentNumber”:[“2800”]}} could you please advise me how to correct it?
Last Updated 6 months ago

One of the elements has been altered that is why the system reports this error.

You can check more at:

"Status and Error Codes":

"Status and Error Codes - Serbia only":

Please go step by step and determine what is missing or altered.

"Invoice Request":

"Create Invoice - Serbia only":

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