# 500 Error when posting, moment.tz runtime error

**URL:** https://meta.discourse.org/t/500-error-when-posting-moment-tz-runtime-error/315860
**Category:** Bug
**Created:** [July 11, 2024, 3:57am UTC](https://meta.discourse.org/t/500-error-when-posting-moment-tz-runtime-error/315860 "2024-07-11T03:57:05Z")
**Posts on this page:** 1
**Showing post:** 6

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### Author: ![Moin](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/moin/32/554653_2.png) [@Moin](https://meta.discourse.org/u/Moin)
#### Post date: [July 11, 2024, 2:21pm UTC](https://meta.discourse.org/t/500-error-when-posting-moment-tz-runtime-error/315860/6 "2024-07-11T14:21:52Z")

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It is supposed to be used in production. Communities hosted by Discourse also get those “dev” versions.  
The dev suffix only indicates that this is not the final version of 3.3.0-beta4

> [@From Discourse 3.2: adding -dev suffix to beta versions under active development](https://meta.discourse.org/t/from-discourse-3-2-adding-dev-suffix-to-beta-versions-under-active-development/273490/1):
>
> On tests-passed, starting with 3.2.0.beta1-dev, Discourse core version numbers will include a `-dev` suffix to indicate that they’re not the final ‘release’ versions of a beta.

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