---
title: Troubleshooting
description: "When a message doesn't arrive or something looks off."
canonical: https://app.ueventi.com/docs/en/troubleshooting
last_updated: 2026-10-14
language: en
---

# Troubleshooting

When a message doesn't arrive or something looks off.

- [A message wasn't delivered](https://app.ueventi.com/docs/en/articles/message-not-delivered.md): Why a message can fail, and what to do about it.
- [A guest says they didn't get the invitation](https://app.ueventi.com/docs/en/articles/guest-didnt-get-invitation.md): A quick checklist to find out what happened.
- [Sending to guests in other countries](https://app.ueventi.com/docs/en/articles/supported-countries.md): Guests can be anywhere. Here's what to know about international numbers.
- [Duplicate guests](https://app.ueventi.com/docs/en/articles/duplicate-guests.md): How Eventi handles the same phone number twice.
- [I changed the date or venue after sending](https://app.ueventi.com/docs/en/articles/changed-event-details.md): Send the updated invitation to guests who got the old details.