---
slug: "PyCharmから、Djangoを実行しようとしたらunknownlocale:UTF-8となったら"
title: "When Trying to Run Django from PyCharm, \"unknown locale: UTF-8\" Error Occurs"
description: "If you encounter an error like <type 'exceptions.ValueError'>, ValueError('unknown locale: UTF-8',),"
url: "https://www.ytyng.com/en/blog/PyCharmから、Djangoを実行しようとしたらunknownlocale:UTF-8となったら"
publish_date: "2014-06-07T06:36:49Z"
created: "2014-06-07T06:36:49Z"
updated: "2026-02-27T10:43:42.938Z"
categories: ["mac"]
keywords: ""
featured_image_url: "https://media.ytyng.com/resize/20230812/30888c9d2b304bcca0882bddb1a00dd1.png.webp?width=768"
has_video: false
has_music: false
video_urls: []
music_urls: []
lang: "en"
---

# When Trying to Run Django from PyCharm, "unknown locale: UTF-8" Error Occurs

<pre><cord>If you encounter an error like &lt;type 'exceptions.ValueError'&gt;, ValueError('unknown locale: UTF-8',),

Add LANG ja_JP.UTF-8 to the Environment variables in Run/Debug Configurations.</cord></pre>