Access via 'NULL' object reference not possible.

Hi Experts,

I created one value node and added one attribute in component ICCMP_BP_CP , but when tested from webui side I got below exception :

Note

• The following error occurred in system DC4 : Access via 'NULL' object reference not possible.
• The error occurred on application server cidc405_DC4_05 and in work process 2 .
• The termination type was: RABAX_STATE
• The ABAP call stack was:
  Method: SET_MODELS of program ZL_CRMCMP_B_BUPACONTACTPE_IMPLCP
  Method: SET_MODELS of program ZL_CRMCMP_B_BUPACONTACTPE_IMPLCP
  Method: DO_REQUEST of program CL_BSP_WD_VIEW_CONTROLLER=====CP
  Method: DO_REQUEST of program CL_BSP_CTRL_ADAPTER===========CP
  Method: CALL_CONTROLLER of program CL_BSP_PAGE_BASE==============CP
  Method: IF_BSP_ELEMENT~DO_AT_END of program CL_BSP_CALL_ELEMENT===========CP
  Method: _ONLAYOUT of program CL_O241IRDSNT0FX6OG9H63VLVRLE8CP
  Method: %_ONLAYOUT of program CL_O241IRDSNT0FX6OG9H63VLVRLE8CP
  Method: DO_REQUEST of program CL_BSP_PAGE===================CP
  Method: CALL_VIEW of program CL_BSP_PAGE_BASE==============CP

PLease help why it is comming .

Thanks & Regards,

Akhilesh Bhagat.