CRM 7.0 WEB IC - context node values are not seen in webIC

Hi
can anyone help me in resolving my problem in CRM WEB IC.
Actually i have added a new context node Using wizard , by right clicking the context nodes. i have four custom fields in that node, these i have to show on the View Account overview and the context node for this is Account where i have to fetch data based on the BP_number i have in Account, i have to display custom fields from the context node BALANce which i have created .
I gave all my coding in do_prepare_output method. But the values are not passing to my custom fields as a result the view in WEB IC dissappears saying
&NBSP;
Cannot display view IUICOVW/AccInfo of UI Component IUICOVW
An exception has occurred Exception Class CX_SY_REF_IS_INITIAL - Dereferencing of the NULL reference
Method: ZL_IUICOVW_ACCINFO_IMPL=>DO_PREPARE_OUTPUT
Source Text Row: 82
Edited by: nelachinni on Dec 16, 2010 10:04 PM

Hi,
Could you please share what are you trying to access at line 82 in do_prepare_output ? sharing code snippet might help in understanding the issue.
Cheers,
Sumit Mittal

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