# Launcher always exits with "ERROR: Config name must not contain upper case characters, spaces or special characters."

**URL:** <https://meta.discourse.org/t/launcher-always-exits-with-error-config-name-must-not-contain-upper-case-characters-spaces-or-special-characters/49642>\
**Category:** Self-hosting\
**Created:** [September 2, 2016, 6:50pm UTC](https://meta.discourse.org/t/launcher-always-exits-with-error-config-name-must-not-contain-upper-case-characters-spaces-or-special-characters/49642 "2016-09-02T18:50:48Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![otlet](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/otlet/32/71975_2.png) [@otlet](https://meta.discourse.org/u/otlet)\
**Post date:** [May 10, 2017, 9:24pm UTC](https://meta.discourse.org/t/launcher-always-exits-with-error-config-name-must-not-contain-upper-case-characters-spaces-or-special-characters/49642/7 "2017-05-10T21:24:34Z")

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I had this same problem on CentOS7

```
localectl set-locale LANG=en_US.utf8

```

I do this and still don’t work. I have no idea what can i do now? Some ideas?

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