java.lang.IllegalArgumentException: aType == null
   at org.netbeans.modules.j2ee.persistence.entitygenerator.EntityMember.setMemberType(EntityMember.java:252)
   at org.netbeans.modules.j2ee.persistence.entitygenerator.DbSchemaEntityMember.setPrimaryKey(DbSchemaEntityMember.java:127)
   at org.netbeans.modules.j2ee.persistence.entitygenerator.DbSchemaEjbGenerator.generatePkField(DbSchemaEjbGenerator.java:478)
   at org.netbeans.modules.j2ee.persistence.entitygenerator.DbSchemaEjbGenerator.buildCMPSet(DbSchemaEjbGenerator.java:584)
   at org.netbeans.modules.j2ee.persistence.entitygenerator.DbSchemaEjbGenerator.<init>(DbSchemaEjbGenerator.java:117)
   at org.netbeans.modules.j2ee.persistence.wizard.fromdb.RelatedCMPHelper.buildBeans(RelatedCMPHelper.java:368)
   at org.netbeans.modules.j2ee.persistence.wizard.fromdb.RelatedCMPWizard.createBeans(RelatedCMPWizard.java:392)
   at org.netbeans.modules.j2ee.persistence.wizard.fromdb.RelatedCMPWizard.access$000(RelatedCMPWizard.java:86)
   at org.netbeans.modules.j2ee.persistence.wizard.fromdb.RelatedCMPWizard$1.run(RelatedCMPWizard.java:293)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1454)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2036)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.IllegalArgumentException: aType == null
   at org.openide.util.RequestProcessor.post(RequestProcessor.java:424)
   at org.netbeans.modules.j2ee.persistence.wizard.fromdb.RelatedCMPWizard$2.run(RelatedCMPWizard.java:325)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:705)
   at java.awt.EventQueue.access$000(EventQueue.java:101)
   at java.awt.EventQueue$3.run(EventQueue.java:666)
   at java.awt.EventQueue$3.run(EventQueue.java:664)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:675)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:158)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:211)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:90)