Just got this without any more info:
SCHWERWIEGEND: Terminal error: [ObjectDB 2.3.6_08] Unexpected exception (Error 990) Generated by Java HotSpot(TM) 64-Bit Server VM 1.6.0_26 (on Mac OS X 10.6.8). Please report this error on http://www.objectdb.com/database/issue/new com.objectdb.o.InternalException: null com.objectdb.o.InternalException at com.objectdb.o.BYR.s(BYR.java:113) at com.objectdb.o.BYR.A(BYR.java:206) at com.objectdb.o.BYR.P(BYR.java:481) at com.objectdb.o.REG.c(REG.java:189) at com.objectdb.o.VOB.l(VOB.java:233) at com.objectdb.o.SQI.Vs(SQI.java:152) at com.objectdb.o.PRG.ag(PRG.java:734) at com.objectdb.o.PRG.ae(PRG.java:663) at com.objectdb.o.PRG.ad(PRG.java:539) at com.objectdb.o.QRM.U5(QRM.java:259) at com.objectdb.o.MST.U5(MST.java:947) at com.objectdb.o.WRA.U5(WRA.java:290) at com.objectdb.o.WSM.U5(WSM.java:113) at com.objectdb.o.STC.r(STC.java:447) at com.objectdb.o.SHN.aj(SHN.java:489) at com.objectdb.o.SHN.K(SHN.java:156) at com.objectdb.o.HND.run(HND.java:133) at java.lang.Thread.run(Thread.java:680)