If I have my guess right, the game is saying that certain AI files are missing specific lines in their files--such as "Can't find 'Max Systems Distance for Drone Attack' in C:\Games\Space Empires 4\Pictures\Races\HappyRace\HappyRace_AI_Settings.t xt" or some sort. Is that right?
If that's the case, the AI files are for pre-Gold SE4. Capt. Kwok (IIRC) has instructions for converting pre-Gold AI to Gold AI, and it's not all that difficult. SJ may even have a proggy to automatically do it.

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The Unpronounceable Krsqk
"Well, sir, at the moment my left processor doesn't know what my right is doing." -
Freefall