Thanks for reporting. Could you send me (jroush.tesmods@gmail.com) a copy of Oblivion\OBME.log and Oblivion\OBME_CS.log? That would help me narrow down what caused this.
Edit: also - where the saves you're using made with beta1, bet2, or without obme ?
Edit2: also also - would you mind attaching a copy of the mod and/or savegame as well? I'll destroy them afterward, but it would allow me to see for myself what was corrupted.