Team players able to teleport to each other
players from the same team can teleport to each other without confirmation! 
They do not need to write / tpa
How to fix it?

In the configuration file, ensure that your settings are as follows:

  "TPT": {
    "Use Friends": false,
    "Use Clans": false,
    "Use Teams": false,

 

Save the configuration and reload the plugin.

oxide.reload NTeleportation