This is not a big problem here take these files from rapidshare! http://rapidshare.com/files/136486830/buffs.rar.html
These files are from oneodevteam from the mental's pack and last 9 hours! Have fun.Open the folder copy all files inside and go to your gameserver, then data files , stats,skills and paste them inside it will ask you to replace the old files press yes. That's all the next time you open your server your buffer buffs will last 9 hours.