MAU/MAM: Error while loading Notifications

Hello all.

Sometimes I receive an Exception when trying to load all MAM010's:

at com.sap.mbs.core.control.AbstractViewController.process(Unknown Source)

at com.sap.mbs.core.control.DefaultStateMachine.process(Unknown Source)

at com.sap.mbs.core.web.FrontServlet.doHandleEvent(Unknown Source)

at com.sap.mbs.mau.application.web.FrontServlet.doHandleEvent(FrontServlet.java:252)

at com.sap.ip.me.api.runtime.jsp.AbstractMEHttpServlet.doGetNotThreadSafe(AbstractMEHttpServlet.java:346)

at com.sap.ip.me.api.runtime.jsp.AbstractMEHttpServlet.doGet(AbstractMEHttpServlet.java:678)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)

at com.sap.ip.me.api.runtime.jsp.AbstractMEHttpServlet.service(AbstractMEHttpServlet.java:326)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)

at org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:405)

at org.apache.tomcat.core.Handler.service(Handler.java:287)

at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)

at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:806)

at org.apache.tomcat.core.ContextManager.service(ContextManager.java:752)

at org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpConnectionHandler.java:213)

at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)

at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:501)

at java.lang.Thread.run(Unknown Source)

<b>java.lang.NullPointerException

at com.sap.ip.me.smartsync.data.AbstractRow.getSyncKey(AbstractRow.java:302)

at com.sap.ip.me.smartsync.data.RowCollectionImpl.(RowCollectionImpl.java:28)

at com.sap.ip.me.smartsync.data.SyncBoDataFacadeImpl.getRows(SyncBoDataFacadeImpl.java:266)

at com.sap.mbs.alm.bo.impl.Mam010ManagerImpl.getMam010s(Mam010ManagerImpl.java:124)</b>

Any ideas why this can happen? Nullpointer while trying to get the Sync Key.

Thanks for any help.

Best regards,

Sascha