while drag and drop a web intelligence document returns " an error has occured"

I can run query a document in web intelligence. But while dragging and dropping a web intelligence document, it gives that error " an error has occured".

error details like that;

1. java.util.concurrent.ExecutionException: java.lang.ArithmeticException: / by zero

at java.util.concurrent.FutureTask$Sync.innerGet(Unknown Source)

at java.util.concurrent.FutureTask.get(Unknown Source)

at javax.swing.SwingWorker.get(Unknown Source)

at com.sap.webi.toolkit.ui.tasks.WebITask.getResult(WebITask.java:171)

at com.sap.webi.ui.tasks.reporting.DropReportElementTask.doneProcess(DropReportElementTask.java:324)

at com.sap.webi.toolkit.ui.tasks.WebITask$PrivateWorker.done(WebITask.java:367)

at javax.swing.SwingWorker$5.run(Unknown Source)

at javax.swing.SwingWorker$DoSubmitAccumulativeRunnable.run(Unknown Source)

at sun.swing.AccumulativeRunnable.run(Unknown Source)

at javax.swing.SwingWorker$DoSubmitAccumulativeRunnable.actionPerformed(Unknown Source)

at javax.swing.Timer.fireActionPerformed(Unknown Source)

at javax.swing.Timer$DoPostEvent.run(Unknown Source)

at java.awt.event.InvocationEvent.dispatch(Unknown Source)

at java.awt.EventQueue.dispatchEventImpl(Unknown Source)

at java.awt.EventQueue.access$400(Unknown Source)

at java.awt.EventQueue$2.run(Unknown Source)

at java.awt.EventQueue$2.run(Unknown Source)

at java.security.AccessController.doPrivileged(Native Method)

at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)

at java.awt.EventQueue.dispatchEvent(Unknown Source)

at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)

at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)

at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)

at java.awt.EventDispatchThread.pumpEvents(Unknown Source)

at java.awt.EventDispatchThread.pumpEvents(Unknown Source)

at java.awt.EventDispatchThread.run(Unknown Source)

Caused by: java.lang.ArithmeticException: / by zero

at com.sap.webi.ui.viewer.SnapGripUIHelper.snapTogrid(SnapGripUIHelper.java:76)

at com.sap.webi.ui.tasks.reporting.DropReportElementTask.adjustPositionWithGridPosition(DropReportElementTask.java:306)

at com.sap.webi.ui.tasks.reporting.DropReportElementTask.moveReportElement(DropReportElementTask.java:273)

at com.sap.webi.ui.tasks.reporting.DropReportElementTask.doIt(DropReportElementTask.java:157)

at com.sap.webi.ui.tasks.reporting.DropReportElementTask.doIt(DropReportElementTask.java:64)

at com.sap.webi.toolkit.ui.tasks.WebITask$PrivateWorker.doInBackground(WebITask.java:337)

at javax.swing.SwingWorker$1.call(Unknown Source)

at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)

at java.util.concurrent.FutureTask.run(Unknown Source)

at javax.swing.SwingWorker.run(Unknown Source)

at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)

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

Is that relevant java or java version? I tried to reinstall java but anything changed. What is your suggestion?