Troubleshooting

E-invoice XML cannot be generated

• Required data — check the company, customer, Invoice, item, and total fields.
• 0% VAT — provide a valid zero-VAT reason.
• VAT amount — make sure the VAT breakdown matches the Invoice's total VAT amount.

SMTP email cannot be sent

• Requirements — Business access is required. Complete the server, port, encryption, username, password, and sender email fields.
• Test — check the connection and send a test email.
• Delivery — a successful send confirms handoff to the mail server, not delivery to the recipient's inbox.

An attachment is rejected

• Stored document attachments — up to five supported files with a combined size of up to 10 MB: PDF, DOC, DOCX, XLS, XLSX, JPG, JPEG, PNG, or ZIP.
• Extra email attachments — up to five files, up to 25 MB each; supported formats include Word, Excel, CSV, PDF, OpenDocument, text, and RTF.

DATEV CSV is unavailable

DATEV CSV is available for Invoice reports with Business access. In Settings, enter the DATEV Mandant number, consultant number, revenue account, receivable account, and VAT account, then choose the correct report type and period.

Payment history is unavailable

Payment history and the payment portal become available after the first successful plan payment.

The free-plan limit was reached

The free plan allows a combined total of three documents per calendar month: Invoices, Reverse Invoices, and Credit Notes. Deleted documents continue to count until the next calendar month.