VIP Query returning error

While running below query:

 

curl --insecure -u nagios:xxxxxxxx https://core-lb.17.dub.megarouting.eu/mgmt/tm/ltm/pool/~Windows~WIN_C50_ASPX_0_IPv4_POOL/members/stats

 

it's giving below errors:

 

{"code":400,"message":"Expiration was Fri Jul 15 15:02:27 EDT 2016","restOperationId":6322269,"errorStack":["java.util.concurrent.TimeoutException: Expiration was Fri Jul 15 15:02:27 EDT 2016","at com.f5.rest.common.RestHelper$1.run(RestHelper.java:1825)","at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)","at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)","at java.util.concurrent.FutureTask.run(FutureTask.java:166)","at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)","at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)","at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)","at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)","at java.lang.Thread.run(Thread.java:722)\n"]}

 

Couldn't get any clue where the issue is?