Type of bug

Error in console, Other unexpected behaviour

/ess version output

[20:22:54] [Server thread/INFO]: Server version: 1.16.5-R0.1-SNAPSHOT git-Paper-771 (MC: 1.16.5)
[20:22:54] [Server thread/INFO]: Brand version: Paper
[20:22:54] [Server thread/INFO]: EssentialsX version: 2.19.0-dev+232-b84207f
[20:22:54] [Server thread/INFO]: PermissionsEx version: 1.23.5-SNAPSHOT
[20:22:54] [Server thread/INFO]: Vault version: 1.7.3-b131
[20:22:54] [Server thread/INFO]: EssentialsXSpawn version: 2.19.0-dev+232-b84207f
[20:22:54] [Server thread/INFO]: EssentialsXChat version: 2.19.0-dev+232-b84207f
[20:22:54] [Server thread/INFO]: Economy Layer: None
[20:22:54] [Server thread/INFO]: You are running unsupported plugins!
[20:22:54] [Server thread/INFO]: Fetching version information...
[20:22:54] [Craft Scheduler Thread - 11/INFO]: Unable to check your version! Self-built? Build information: id:'INVALID' branch:'INVALID' isDev:false.

Server startup log

https://paste.gg/p/anonymous/fa1013ed4f1649c789f4aab78f96321f

EssentialsX config files

https://paste.gg/p/anonymous/4ab27567a2164032a7885ba512124561

Error log (if applicable)

No response

Bug description

If I change anything in the config.yml file, it breaks.

Steps to reproduce

Change the config.yml file at all.

Expected behaviour

The changes should apply.

Actual behaviour

The config.yml file turns into config.yml.broken..

You're not using an official EssentialsX build from https://essentialsx.net/downloads.html

Please use a build from there if you'd like support.