Issue with calling standard OWL screen in Custom BO workcenter

Hi Experts,

I have one requirement to add Standard OWL screen of target group in custom BO work center. To achieve this requirement I followed below steps:

1. Created Custom BO with WCF and WC View

2. Created another WC View using Targetgroup BO and under that I want to add Target OWL screen as shown in below screen:

Can anyone please let us know why this error is coming ?

3. Once this error get resolved, I will assign this WC View to WCF.

Please Advise what should I do to resolve this error?

Regards

Nitin