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":
https://tap.sandbox.taxcore.online/Help/view/692268419/Status-and-Error-Codes.

"Status and Error Codes - Serbia only":
https://tap.sandbox.suf.purs.gov.rs/Help/view/1672078854/Status-and-Error-Codes/en-US

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

"Invoice Request":
https://tap.sandbox.taxcore.online/Help/view/979624291/Invoice-Request

"Create Invoice - Serbia only":
https://tap.sandbox.suf.purs.gov.rs/Help/view/1672078854/Create-Invoice/en-US

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