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Prepare to handle an ERS controller error
Read the original error and distinguish a refusal from an uncertain result.
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Search all help articlesBefore you start
- Confirm the supplier, approved product and taxpayer setup with ERS before live use.
- Keep passwords, Secure Element PINs, certificates and private keys out of support messages.
- Source: ERS technical guidelines, pages 8, 15–44 (reviewed 28 October 2026): https://ers.org.sz/e-invoicing/technical-guide. July 2026 Notice: https://ers.org.sz/e-invoicing/legislation.
1Keep the original response
Save the source reference, environment, controller and error text. Do not edit a returned fiscal document.
2Ask for the approved correction route
Credit notes, debit notes and cancellations have different rules (guidelines pages 56–65). Confirm the correct route before issuing another document.
What you should see
A preparation checklist and questions for ERS. No live fiscal connection is activated by this guide.
If something goes wrong
- If a fiscal result is uncertain, retain the original evidence and seek approved reconciliation. Do not issue a replacement merely because a reply was lost.
- Contact support with the document reference and error text, not keys or codes.
Need account-specific help? Contact [email protected]. Include the document reference and error text, not passwords, keys or codes.
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