# Anybody know what this MiniRacer::RuntimeError (TypeError: moment.tz is not a function) error is?

**URL:** https://meta.discourse.org/t/anybody-know-what-this-miniracer-runtimeerror-typeerror-moment-tz-is-not-a-function-error-is/335665
**Category:** Support
**Created:** [November 11, 2024, 11:08pm UTC](https://meta.discourse.org/t/anybody-know-what-this-miniracer-runtimeerror-typeerror-moment-tz-is-not-a-function-error-is/335665 "2024-11-11T23:08:33Z")
**Posts on this page:** 1
**Showing post:** 7

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### Author: ![tobiaseigen](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/tobiaseigen/32/539204_2.png) [@tobiaseigen](https://meta.discourse.org/u/tobiaseigen)
#### Post date: [August 15, 2025, 3:10pm UTC](https://meta.discourse.org/t/anybody-know-what-this-miniracer-runtimeerror-typeerror-moment-tz-is-not-a-function-error-is/335665/7 "2025-08-15T15:10:21Z")

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Can you provide step by step replication steps? How are you arriving at this error message?

Is your site self-hosted? If so, can you confirm you’ve recently done a rebuild from the command line and your site is up to date, and you are still able to replicate?

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