Russian Language file. Thanks to Chypik_RUS and KevstaRU
If you want, just change the lang options line in the settings.yml to the following:
-> # The following translations are available: en, es, de, pt and ru. More will follow!
Load the new jar and change the Locale: "ru" and re-boot and you are good to go
Potential Fix:
A potential fix to the error occurring for mull player in essentials database