It really helps if you post what the error actually is, since the error text helps you know what the actual issue is...
A couple of common errors that it might be. First, depending on your operating system and what you used to extract the files it might have bugged out. Winrar has issues with non-English characters in file names unless you've set it up correctly. I'd suggest using 7zip for extracting, since that has no issues with other alphabets.
Te other thing, which I may be wrong on since I don't recall the exact details of this game, is that if this was a game made on and older version of RPGMaker it may need a separate RTP installed. IF the error is something like "RPGMaker VX RTP missing" you need that RTP. Look
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for the RTP downloads.