com.wm.lang.flow.FlowException: ip.util:getBizDocFromEvent():

Dear WmUsers,

When i invoke wm.estd.common.util:getBizDocFromEvent() service
I got the error like below.

com.wm.lang.flow.FlowException: ip.util:getBizDocFromEvent(): ESIPRT.000000.000020ESIPRT.000000.000021ESIPRT.000000.000019
wm.estd.common.util:getBizDocFromEvent

Please help me to solve this issue.

Thanks.