ConsolidationException on multi-modules projects if continuum is badly configured

2008.07.08 15:41:49 DEBUG org.hibernate.SQL  select mavenproje0_.id as id3_0_, mavenproje0_.description as descript2_3_0_, mavenproje0_.enabled as enabled3_0_, mavenproje0_.kee as kee3_0_, mavenproje0_.name as name3_0_, mavenproje0_.qualifier as qualifier3_0_, mavenproje0_.root_id as root7_3_0_, mavenproje0_.scope as scope3_0_ from projects mavenproje0_ where mavenproje0_.id=?
2008.07.08 15:41:49 ERROR o.s.c.c.ConsolidationTask project=Projet Plus projectName Webapp, task=org.sonar.core.consolidation.ConsolidationTask, snapshot=10962 Cannot process the snapshot
org.sonar.core.consolidation.ConsolidationException: Could not consolidate the following node : Projet Plus projectName Webapp
    at org.sonar.core.consolidation.TreeProcessor.process(TreeProcessor.java:79)
    at org.sonar.core.consolidation.TreeProcessor.process(TreeProcessor.java:56)
    at org.sonar.core.consolidation.ConsolidationTask.execute(ConsolidationTask.java:77)
    at org.sonar.core.batch.AbstractTask.run(AbstractTask.java:53)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:417)
    at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:269)
    at java.util.concurrent.FutureTask.run(FutureTask.java:123)
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:65)
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:168)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
    at java.lang.Thread.run(Thread.java:595)
Caused by: javax.persistence.NonUniqueResultException: result returns 2 elements
    at org.hibernate.ejb.QueryImpl.getSingleResult(QueryImpl.java:89)
    at org.sonar.commons.database.BatchDatabaseManager.getSingleResult(BatchDatabaseManager.java:123)
    at org.sonar.core.consolidation.internal.UpdateStatusService.updateStatus(UpdateStatusService.java:76)
    at org.sonar.core.consolidation.internal.UpdateStatusService.execute(UpdateStatusService.java:65)
    at org.sonar.core.consolidation.TreeProcessor.process(TreeProcessor.java:72)
    ... 11 common frames omitted