Dear Santhosh,
Unfortunately, the steps mentioned in the wiki link classifies as only the first step.
Please find the sequence of steps below
1) Follow the steps mentioned in the wiki.
2) Implement note 1118693.
3) in the WD component POWL_UI_COMP do the following
a) Go to component configuration /sapsrm/powl_config and activate the allowshadowing configuration.
b) Go to component configuration /sapsrm/powl_config_sc and activate the allowshadowing configuration.
Please check note
1594585
in case you need further details.
Have a nice day.
Sharat --