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Error while running the webdynpro application

HI All,

I am new to web Dynpro's . I was going through this link

to create a Pop up window using web dynpro.

After I deployed and run my application . I got the starting page which is a button and when I click the button it should open the pop up window.

But When I click the button , I am getting this error:-

Error Description: Parameter windowInfo must not be null.


at popapp.PopAppView.onActionCreatepopup(

at popapp.wdp.InternalPopAppView.wdInvokeEventHandler(



... 27 more

Kindly suggest.

Thanks adn Regards

Neha Mahanty

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