---
title: "Event Tickets 5.5.1"
source: "https://docs.nexcess.com/software/the-events-calendar/release-notes-event-tickets-5-5-1/"
description: "Summary Maintenance Release This latest version of Event Tickets corrects parameter type hinting when param can be null, which resolves a fatal error. As always…"
vertical: "Software"
area: "The Events Calendar"
date: "2022-09-22"
last_modified: "2026-07-06"
---

# Event Tickets 5.5.1

### Summary

Maintenance Release

This latest version of Event Tickets corrects parameter type hinting when param can be null, which resolves a fatal error.

As always, we recommend [testing updates](https://docs.nexcess.com/software/the-events-calendar/creating-and-using-a-wordpress-staging-site/) on a staging site first, but it should all be smooth sailing.

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#### ✅ Fixed

Bugs that were squashed in this release:

- Corrects parameter type hinting when param can be null, which resolves a fatal error.
- Resolves an error where showing Checkout not available and credit card fields at the same time for PayPal gateway in Tickets Commerce.

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#### ? Translations

Updated language files and strings:

- 0 new strings added
- 1 updated
- 0 fuzzied
- 0 obsoleted

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