There were several instances of brief cues in TOS episodes that seem to be missing from the LLL set. These were created editorially by layering two or three library cues together.
The underlying library cues are
in the box set, but the hybrid concoctions made by music editors were not archived with the audio tapes. They only exist in the finished episodes.
I don't know if that explains Warlord's missing cue or not.