Cannot find commands for mods on my server

[DaSuperFreakDP]

Hi im running a forge 1.16.5 - v36.2.39 server with around 30 mods on it. the modded items show up but none of the commands work. I am opped in the server console but still cannot see or use the modded commands. When i try to type in the command on the server i get a message reading "unknown or incomplete command minecraft. See Error" what do i do?

[ChampionAsh5357]

The version you are using is no longer supported on this forum.

Please update to a modern version of Minecraft to receive support.

Currently supported versions are 1.19.2 (Latest) and 1.18.2 (LTS).