1. The invoice information is incomplete, lacking important information such as the buyer's name and amount.

2. The invoice format is incorrect. Before uploading the invoice, format conversion is required so that the system can recognize the invoice data.

3. The invoice has been submitted. Invoice can only be submitted once. If the invoice has been submitted, the system is not allowed to submit it again.

4. The invoice has been voided and cannot be submitted after voiding. Please check whether the invoice is invalid. If it has been voided, it cannot be submitted.