Null reference

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Hi,

I am getting the following error while executing the WDA Application.

The following error text was processed in the system RD2 : Access via 'NULL' object reference not possible.

The error occurred on the application server INBDQ-S-RD2_RD2_01 and in the work process 3 .

The termination type was: RABAX_STATE

The ABAP call stack was:

Method: ONACTIONTO_CREATE_VIEW of program /1BCWDY/6V3XBIEG9PGGU73AH8XL==CP

Method: IF_WDR_VIEW_DELEGATE~WD_INVOKE_EVENT_HANDLER of program /1BCWDY/6V3XBIEG9PGGU73AH8XL==CP

Method: INVOKE_EVENTHANDLER of program CL_WDR_DELEGATING_VIEW========CP

Method: IF_WDR_ACTION~FIRE of program CL_WDR_ACTION=================CP

Method: DO_HANDLE_ACTION_EVENT of program CL_WDR_WINDOW_PHASE_MODEL=====CP

Method: PROCESS_REQUEST of program CL_WDR_WINDOW_PHASE_MODEL=====CP

Method: PROCESS_REQUEST of program CL_WDR_WINDOW=================CP

Method: EXECUTE of program CL_WDR_MAIN_TASK==============CP

Method: IF_HTTP_EXTENSION~HANDLE_REQUEST of program CL_WDR_MAIN_TASK==============CP

Method: EXECUTE_REQUEST_FROM_MEMORY of program CL_HTTP_SERVER================CP

How to solve this.

Regards,

Charumathi.B