Bug Report

Type /ver NametagEdit and post the output.

What version of Bukkit/Spigot/PaperSpigot are you using? Type /ver

What plugins are you using? Type /plugins

Please explain your issue. How do you trigger it?
When i use the API to setSuffix for a player, he loses the group priority put on config, how can i fix it?

Are there any errors in the console? Please use: https://pastebin.com