Error: method invokemethod Class not found

To execute vo we have added the following code in my page class files.
1.Vo created name as "MyViewObj"
2.Add code under the AM class as mentioned
public void setEmployeeData(){
OAViewObject vo = getMyViewObj();
vo.executeQuery();
3.Call Method under the processRequest in controller
am.invokeMethod("setEmployeeData");
but system is raising an error " method invokemethod(java.lang.string) class not found

This error generally comes when the AMImpl doesn't have this method.
You must have set AM for the page.
Make sure the method setEmployeeData is in the same AMImpl.
Regards,
Peddi.

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