After switching to Bamboo 5.0-beta3 exports don't work anymore

More of an "fyi".

2013-06-14 17:34:30,734 INFO [qtp355685170-157] [XmlMigrator] Exporting with: com.atlassian.bamboo.deployments.projects.migration.stream.DeploymentProjectMapper@56bb37e4
2013-06-14 17:34:30,824 INFO [qtp355685170-157] [XmlMigrator] Ensuring the the file has been unmounted
2013-06-14 17:34:30,824 INFO [qtp355685170-157] [XmlMigrator] Unmounted /var/atlassian/application-data/bamboo/exports/export_cnnexpansionbamboo_3613_20130614c.zip
2013-06-14 17:34:30,825 INFO [qtp355685170-157] [ServerLifecycleManagerImpl] Server state changed to 'RUNNING' from 'PAUSED' by 'dwester'
2013-06-14 17:34:30,825 ERROR [qtp355685170-157] [Export] java.lang.NullPointerException
java.lang.NullPointerException
at com.ctc.wstx.sw.BaseStreamWriter.writeCharacters(BaseStreamWriter.java:453)
at org.codehaus.staxmate.out.SMOutputContext.writeCharacters(SMOutputContext.java:479)
at org.codehaus.staxmate.out.SMOutputContainer.addCharacters(SMOutputContainer.java:171)
at com.atlassian.bamboo.migration.SMOutputElementAppender.append(SMOutputElementAppender.java:39)
at com.atlassian.bamboo.deployments.versions.migration.stream.DeploymentVersionPropertiesMapper.exportProperties(DeploymentVersionPropertiesMapper.java:64)
at com.atlassian.bamboo.deployments.versions.migration.stream.DeploymentVersionPropertiesMapper.exportProperties(DeploymentVersionPropertiesMapper.java:23)
at com.atlassian.bamboo.migration.BambooStAXMappingHelperAbstractImpl.exportXml(BambooStAXMappingHelperAbstractImpl.java:107)
at com.atlassian.bamboo.deployments.versions.migration.stream.DeploymentVersionMapper.exportProperties(DeploymentVersionMapper.java:95)
at com.atlassian.bamboo.deployments.versions.migration.stream.DeploymentVersionMapper.exportProperties(DeploymentVersionMapper.java:36)
at com.atlassian.bamboo.migration.BambooStAXMappingHelperAbstractImpl.exportXml(BambooStAXMappingHelperAbstractImpl.java:107)
at com.atlassian.bamboo.migration.BambooStAXMappingListHelperAbstractImpl.exportListXml(BambooStAXMappingListHelperAbstractImpl.java:167)
at com.atlassian.bamboo.deployments.projects.migration.stream.DeploymentProjectMapper.exportProperties(DeploymentProjectMapper.java:139)
at com.atlassian.bamboo.deployments.projects.migration.stream.DeploymentProjectMapper.exportProperties(DeploymentProjectMapper.java:34)
at com.atlassian.bamboo.migration.BambooStAXMappingHelperAbstractImpl.exportXml(BambooStAXMappingHelperAbstractImpl.java:107)
at com.atlassian.bamboo.migration.BambooStAXMappingListHelperAbstractImpl.exportListXml(BambooStAXMappingListHelperAbstractImpl.java:167)
at com.atlassian.bamboo.migration.BambooStAXMappingListHelperAbstractImpl.exportListXml(BambooStAXMappingListHelperAbstractImpl.java:146)
at com.atlassian.bamboo.deployments.projects.migration.stream.DeploymentProjectMapper.exportData(DeploymentProjectMapper.java:89)
at com.atlassian.bamboo.migration.XmlMigrator.exportToStream(XmlMigrator.java:499)