Process Governance - WSDL Issue ARIS 9.7

Hi BPM lovers,

Anyone facing this issue during implementing wsdl in APG ? I'm about calling webservice from sharepoint from aris 9.7 Process Governance workflow with following error :

java.util.concurrent.ExecutionException: com.idsscheer.age.common.exception.AAGEWSCallException: AGE exception. code: 500 sub-code: 301
 at java.util.concurrent.FutureTask.report(FutureTask.java:122)
 at java.util.concurrent.FutureTask.get(FutureTask.java:188)
 at com.idsscheer.aris.server.bl.logic.age.xe.jobs.AJobService.toJobDescriptor(AJobService.java:185)
 at com.idsscheer.aris.server.bl.logic.age.xe.jobs.AJobService.findJob(AJobService.java:156)
 at com.idsscheer.age.xe.instance.AInstanceExecution.refreshJob(AInstanceExecution.java:299)
 at com.idsscheer.age.xe.instance.AInstanceGenerationExecution.generateForInstance(AInstanceGenerationExecution.java:77)
 at com.idsscheer.age.xe.instance.AInstanceGenerationExecution.intRun(AInstanceGenerationExecution.java:177)
 at com.idsscheer.age.xe.instance.AInstanceExecution.run(AInstanceExecution.java:274)
 at com.idsscheer.age.xe.dispatch.ADispatcher2$1.run(ADispatcher2.java:93)
 at com.idsscheer.age.xe.dispatch.AWorkersPool$AWorkerJob.run(AWorkersPool.java:20)
 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
 at java.lang.Thread.run(Thread.java:745)
Caused by: com.idsscheer.age.common.exception.AAGEWSCallException: AGE exception. code: 500 sub-code: 301
 at com.idsscheer.aris.server.bl.logic.age.activity.ws.command.AUseWSDLWSCallCommand.execute(AUseWSDLWSCallCommand.java:104)
 at com.idsscheer.aris.server.bl.logic.age.activity.ws.AWebServiceCallJob.call(AWebServiceCallJob.java:37)
 at com.idsscheer.aris.server.bl.logic.age.activity.ws.AWebServiceCallJob.call(AWebServiceCallJob.java:13)
 at com.idsscheer.aris.server.bl.logic.age.xe.jobs.AJobService$AJobExecution.call(AJobService.java:84)
 at java.util.concurrent.FutureTask.run(FutureTask.java:262)
 ... 3 more
Caused by: java.lang.NullPointerException
 at com.idsscheer.aris.server.bl.logic.age.activity.ws.wsdl.AWSDLDefinition.getOperationInformation(AWSDLDefinition.java:122)
 at com.idsscheer.aris.server.bl.logic.age.activity.ws.command.AUseWSDLWSCallCommand.init(AUseWSDLWSCallCommand.java:122)
 at com.idsscheer.aris.server.bl.logic.age.activity.ws.command.AUseWSDLWSCallCommand.execute(AUseWSDLWSCallCommand.java:99)
 ... 7 more
 

Regards,

Wihemdra