Getting Period closed exception

[idempuser]

While clicking on document action button, getting period closed exception

Period Closed Date=2016-07-12 00:00:00.0, Document BaseType=AP Invoice

Though I have checked the calendar and the period is opened for document base type AP invoice,still I am getting this problem

The log details are given below, please give me some suggestion to overcome this issue

WARNING: MWFNode[193-(DocPrepare),Action=DocumentAction=PR]

org.adempiere.exceptions.PeriodClosedException: Period Closed Date=2016-07-12 00:00:00.0, Document BaseType=AP Invoice

at org.compiere.model.MPeriod.testPeriodOpen(MPeriod.java:685)

at org.compiere.model.MPeriod.testPeriodOpen(MPeriod.java:718)

at org.compiere.model.MInvoice.prepareIt(MInvoice.java:1387)

at org.compiere.process.DocumentEngine.prepareIt(DocumentEngine.java:409)

at org.compiere.process.DocumentEngine.processIt(DocumentEngine.java:278)

at org.compiere.process.DocumentEngine.processIt(DocumentEngine.java:256)

at org.compiere.model.MInvoice.processIt(MInvoice.java:1346)

at org.compiere.wf.MWFActivity.performWork(MWFActivity.java:987)

at org.compiere.wf.MWFActivity.run(MWFActivity.java:874)

at org.compiere.wf.MWFProcess.startNext(MWFProcess.java:373)

at org.compiere.wf.MWFProcess.checkActivities(MWFProcess.java:283)

at org.compiere.wf.MWFActivity.setWFState(MWFActivity.java:277)

at org.compiere.wf.MWFActivity.run(MWFActivity.java:891)

at org.compiere.wf.MWFProcess.startWork(MWFProcess.java:505)

at org.compiere.wf.MWorkflow.start(MWorkflow.java:687)

at org.adempiere.util.ProcessUtil.startWorkFlow(ProcessUtil.java:313)

at org.compiere.apps.AbstractProcessCtl.startWorkflow(AbstractProcessCtl.java:391)

at org.compiere.apps.AbstractProcessCtl.run(AbstractProcessCtl.java:209)

at org.adempiere.webui.apps.WProcessCtl.process(WProcessCtl.java:158)

at org.adempiere.webui.apps.ProcessModalDialog$ProcessDialogRunnable.doRun(ProcessModalDialog.java:514)

at org.adempiere.util.ContextRunnable.run(ContextRunnable.java:38)

at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)

at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)

at java.util.concurrent.FutureTask.run(FutureTask.java:138)

at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:98)

at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:206)

at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)

at java.lang.Thread.run(Thread.java:662)