Server Error display after PCP pop up open

SSN- 111111111
User ID: thspl1111/Test@123456
Company Name – El Camino Hospital

Step:-
1.Login to application using EE credential
2.OE started
3.Navigate to Enroll Now page
4.Enrolled into United Healthcare HMO
5.PCP popup get open

Actual - Server Error display

Expected - There is no server error

Error Log -

Exception : Conversion from type `DBNull` to type `String` is not valid.
App Error Log : ControllerAppTier.GetData->BenAdminControllerAppTier.GetData->BenefitPlanDesign.GetData->BenefitPlanDesign.GetPCPDetailsNew
Employee ID : 4823
Action Name : PCPCodePopup
Model : System.Web.Mvc.HandleErrorInfo
Controller : UserDetails
Web Error Log : at WORKTERRA.BenAdmin.BenAdminControllerWebTier.GetData(ObjectType I_objectType, Hashtable I_criteria, Object I_context, Boolean I_mode, Boolean I_needCollection) in c:\WT\branches\UiRefresh-LB\Web\ControllerWebTier\ControllerWebTier\BenAdminControllerWebTier.cs:line 101
at WORKTERRA.BenAdmin.Areas.UserDetails.Models.PCPCodeModel.InitialisePCPPopup(String planDesignId, String EffectiveDate, String IsAlreadyEnrolled, Boolean IsRecommend)
at WORKTERRA.BenAdmin.Areas.UserDetails.Controllers.UserDetailsController.PCPCodePopup(String PlanDesignID, String EffectiveDate, String IsAlreadyEnrolled, Boolean IsRecommend)
at lambda_method(Closure , ControllerBase , Object[] )
at System.Web.Mvc.ActionMethodDispatcher.Execute(ControllerBase controller, Object[] parameters)
at System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters)
at System.Web.Mvc.Async.AsyncControllerActionInvoker.b__39(IAsyncResult asyncResult, ActionInvocation innerInvokeState)
at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResult`2.CallEndDelegate(IAsyncResult asyncResult)
at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResultBase`1.End()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod(IAsyncResult asyncResult)
at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.b__3d()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<>c_DisplayClass46.b_3f()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<>c_DisplayClass46.b_3f()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c_DisplayClass33.b_32(IAsyncResult asyncResult)
at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResult`1.CallEndDelegate(IAsyncResult asyncResult)
at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResultBase`1.End()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethodWithFilters(IAsyncResult asyncResult)
at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c_DisplayClass21.<>cDisplayClass2b.b_1c()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c_DisplayClass21.b_1e(IAsyncResult asyncResult)

CC - Hrishikesh Deshpande Prasad Pise Sachin Hingole