too bad as it was a thought.
here is what mine looks like and the steam ids are changed to xxx for the players sanity in showing this. if none of this applies then check with server/game config.
odds are bad setting in config or mods (not criticizing either just pointing them out as possibilities too).
<adminTools>
<!-- Name is optional for display purposes only -->
<admins>
<!-- <user steamID="76561198021925107" name="Hint on who this user is" permission_level="0" /> -->
<!-- <group steamID="103582791434672565" name="Steam Universe" permission_level_default="1000" permission_level_mod="0" /> -->
<user steamID="xxx" permission_level="0" />
<user steamID="xxx" permission_level="0" />
<user steamID="xxx" permission_level="0" />
<user steamID="xxx" permission_level="0" />
<user steamID="xxx" permission_level="0" />
<user steamID="xxx" permission_level="0" />
<user steamID="xxx" permission_level="0" />
<user steamID="xxx" permission_level="0" />
<user steamID="xxx" permission_level="0" />
<user steamID="xxx" permission_level="0" />
<user steamID="xxx" permission_level="0" />
<user steamID="xxx" permission_level="0" />
<user steamID="xxx" permission_level="0" />
<user steamID="xxx" permission_level="0" />
</admins>
below is default on my settings as i changed nothing in it.
<permissions>
<!-- <permission cmd="dm" permission_level="0" /> -->
<!-- <permission cmd="kick" permission_level="1" /> -->
<!-- <permission cmd="say" permission_level="1000" /> -->
<permission cmd="chunkcache" permission_level="1000" />
<permission cmd="debugshot" permission_level="1000" />
<permission cmd="debugweather" permission_level="1000" />
<permission cmd="getgamepref" permission_level="1000" />
<permission cmd="getgamestat" permission_level="1000" />
<permission cmd="getoptions" permission_level="1000" />
<permission cmd="gettime" permission_level="1000" />
<permission cmd="gfx" permission_level="1000" />
<permission cmd="help" permission_level="1000" />
<permission cmd="listplayerids" permission_level="1000" />
<permission cmd="listthreads" permission_level="1000" />
<permission cmd="memcl" permission_level="1000" />
<permission cmd="settempunit" permission_level="1000" />
</permissions>
thats all i can offer sylen.
he needs to try on someone elses server as well.