I myself am a beginner, I hope not zagnobite.
The problem is that I cannot register op on the server due to LuckPerms [Server thread / INFO] [minecraft / DedicatedServer]: [LP] Please note that it’s not a problem. Please edit user data directly.

And your issue is........?

For general support should you join the Discord because while support is given on GitHub too, it's much faster and easier on Discord.

Luckperms
Не разрешает выдавать op на сервере майнркафта через консоль

Can you please talk english here?
Use a translator if you have issues.

I have problems with English, so I’ll use a pre-translator with Google,

I can not register op on the server minecraft, because Lp swears at something in the console, could you tell me what it is swearing at and how to fix it?

Are you using Sponge / SpongeForge?

SpongeForge

Sponge disables OP as soon as a permission plugin is installed.
So you can't use OP

And I also registered permissions for the admin group, then I added myself through the console there, and it was still forbidden to use commands.

In the perm settings, the default group is prescribed, other permissions are tied to it, but commands are still not available

once you add user to admin group from console do lp sync then use in game editor to set perms if needed.