Load UI Timeout Exception Error

Hi,

I am running a groovy script to perform load testing. I kept rate as 1/sec and kept increasing requests to 3, 5, 10, 15, 20 ..one by one. This is to simulate multiple user scenario.
But i am getting error now like this...

Adding column to Table Log: TriggerTimestamp
Adding column to Table Log: Status
Adding column to Table Log: TimeTaken
Adding column to Table Log: Login->Upload job
Adding column to Table Log: Timestamp
currentExecution set to: 2014-02-27 11:58 with id: 2dbb0dcd-9435-4adf-a305-ac20345c56a6_1393482515961
Failed waiting for a Component to complete13java.util.concurrent.TimeoutException
at com.eviware.loadui.util.events.EventFuture.get(EventFuture.java:128)
at com.eviware.loadui.util.events.EventFuture.get(EventFuture.java:39)
at com.eviware.loadui.impl.model.canvas.CanvasItemImpl.waitForComponentsToComplete(CanvasItemImpl.java:859)
at com.eviware.loadui.impl.model.canvas.CanvasItemImpl.onPreStopExecution(CanvasItemImpl.java:839)
at com.eviware.loadui.impl.model.canvas.CanvasItemImpl.onExecutionTask(CanvasItemImpl.java:799)
at com.eviware.loadui.impl.model.canvas.CanvasItemImpl$CanvasTestExecutionTask.invoke(CanvasItemImpl.java:929)
at com.eviware.loadui.util.execution.AbstractTestRunner$PhaseRunner$TaskRunner.run(AbstractTestRunner.java:206)
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at com.eviware.loadui.util.dispatch.CustomThreadPoolExecutor$Worker.run(CustomThreadPoolExecutor.java:197)
at java.lang.Thread.run(Unknown Source)

Generating summary report for CavasItem Project 7

Please let me know how to fix this issue and why is this issue happening? Am i trying correctly to create multiple user scenario?
Please help me.

Thanks & regards,
Anoop.