Aran flashstep help pls

[Niteslayers]

I wanted to make aran flashstep for the new ver 0.97 using this tut, http://forums.xemectrum.net/viewtopic.php?f=8&t=968 , but after I had saved it into Skill.wz and start the game, it will says that it's from a different version and I can't start the game... Pls I really want to know how it's done. I used Raiden's Repacker v1.0.1

[maplemaple]

save it as BMS

[Niteslayers]

THX!