Bug Report

Type /ver NametagEdit and post the output.
[20:41:25 INFO]: NametagEdit version 4.5.8
[20:41:25 INFO]: Authors: sgtcaze, Cory, Lorenzo0111 and Aurelien30000

What version of Bukkit/Spigot/PaperSpigot are you using? Type /ver
Paper 386 1.18.2

What plugins are you using? Type /plugins
Ultra Permissions for permissions
This tablist - https://www.spigotmc.org/resources/animated-tab-tablist.46229/
PlaceholderAPI and SimpleScore.

I suspect one of them making the problem.

Please explain your issue. How do you trigger it?
No nametags over head. Not even the name.

Are there any errors in the console? Please use: https://pastebin.com
Only from debug
[20:40:20 INFO]: [NametagEdit] [DEBUG] TheLegend already belongs to a similar team (XPSFA_Z15)
[20:40:20 INFO]: [NametagEdit] [DEBUG] ValtMuffin already belongs to a similar team (XPSFA_Z15)

Animated tablist has priority on nametag edit and removes the nametags

set change-prefix-suffix-in-tablist.enable to false and try again