Short Query 6 throws exception

[windoze]

Error log:

com.ldbc.driver.ClientException: Error running workload
	at com.ldbc.driver.client.ExecuteWorkloadMode.doExecute(ExecuteWorkloadMode.java:406)
	at com.ldbc.driver.client.ExecuteWorkloadMode.startExecutionAndAwaitCompletion(ExecuteWorkloadMode.java:138)
	at com.ldbc.driver.Client.main(Client.java:53)
Caused by: com.ldbc.driver.ClientException: Error running workload

- Start Error Log -
	SOURCE:	OperationHandlerRunnableContext [152] (Thread: ID=24, Name=ThreadPoolOperationExecutor-id(1504578057005)-thread(0), Priority=5)
	ERROR:	Operation result is null
Operation: LdbcShortQuery6MessageForum{messageId=2061590753730}
	SOURCE:	ThreadPoolExecutorWithAfterExecute [222] (Thread: ID=24, Name=ThreadPoolOperationExecutor-id(1504578057005)-thread(0), Priority=5)
	ERROR:	Error retrieving handler
java.lang.NullPointerException
	at com.ldbc.driver.workloads.ldbc.snb.interactive.LdbcSnbShortReadGenerator$ResultBufferReplenishFun.replenish(LdbcSnbShortReadGenerator.java:667)
	at com.ldbc.driver.workloads.ldbc.snb.interactive.LdbcSnbShortReadGenerator.nextOperation(LdbcSnbShortReadGenerator.java:484)
	at com.ldbc.driver.runtime.executor.ChildOperationExecutor.execute(ChildOperationExecutor.java:43)
	at com.ldbc.driver.runtime.executor.ThreadPoolOperationExecutor$ThreadPoolExecutorWithAfterExecute.afterExecute(ThreadPoolOperationExecutor.java:211)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1157)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)

	SOURCE:	WorkloadRunnerThread [514] (Thread: ID=21, Name=Thread-2, Priority=5)
	ERROR:	Encountered error while waiting for asynchronous executor to shutdown
Handlers still running: 9
com.ldbc.driver.runtime.executor.OperationExecutorException: Error encountered while trying to shutdown
	at com.ldbc.driver.runtime.executor.ThreadPoolOperationExecutor.shutdown(ThreadPoolOperationExecutor.java:133)
	at com.ldbc.driver.runtime.WorkloadRunner$WorkloadRunnerThread.shutdownEverything(WorkloadRunner.java:510)
	at com.ldbc.driver.runtime.WorkloadRunner$WorkloadRunnerThread.run(WorkloadRunner.java:419)
Caused by: com.ldbc.driver.runtime.executor.OperationExecutorException: ThreadPoolOperationExecutor shutdown before all handlers could complete
8 handlers were queued for execution but not yet started
1 handlers were mid-execution
	at com.ldbc.driver.runtime.executor.ThreadPoolOperationExecutor.shutdown(ThreadPoolOperationExecutor.java:127)
	... 2 more

- End Error Log -

	at com.ldbc.driver.client.ExecuteWorkloadMode.doExecute(ExecuteWorkloadMode.java:401)
	... 2 more