Hello,
Have you cross-referenced the event with the material in the newer Handbook: House Marik? In a few cases, we found data in the old House books were outright messed up, given the later, more sophisticated understanding of the universe (it's arguable that, at the time of those books' writing, the maps just weren't done, or planets/planet names were moved for some reason). The result are some astonishingly weird events that we just couldn't make fit, and had to correct in the newer Handbooks. (We deliberately did not edit the original FASA-era books to retain their FASA-era authenticity--beyond removing the non-proprietary art, that is.)
Hopefully, that helps.
Thank you,
- Herbert Beas