Server error gets displayed on click of "Export To PDF" button in Employee Plan Eligibility Report.

Company - COSB
This issue is observed in Company Move testing on Stage. (OE-357)
Prerequisite:
Create New Employee.

Replication Steps:
1. Login with employee
2. Traverse the entire self serve mode.
3. Reach on Dashboard
4. Go to Reports -> Employee Plan Eligibility Report
5. Select the Effective Date as 'New Hire Enrollment'
6. Click on Export to PDF button.
7. Check for Server Error displayed.

Error LOG

Exception : Cannot bulk load because the file "\\192.168.31.21\WorkTerra\Temp\Reports\BulkInsert_mvtne0speuebl5adymywemob.txt" could not be opened. Operating system error code 5(Access is denied.).
App Error Log : ControllerAppTier.Save->BenAdminControllerAppTier.Save->AdminUser.Save->EligibilityReason.FetchCheckEligibilityForPlanDesign->EligibilityReason.UpdateDatabase
Employee ID : 92331
Action Name : EmployeePlanEligibilityReport
Model : System.Web.Mvc.HandleErrorInfo
Controller : Report
Web Error Log : at WORKTERRA.BenAdmin.BenAdminControllerWebTier.Save(ObjectType I_objectType, Object objInputObject, Object I_context, Boolean I_mode)
at WORKTERRA.BenAdmin.Areas.Report.Models.EmployeePlanEligibilityReport.CheckEligibility()
at WORKTERRA.BenAdmin.Areas.Report.Models.EmployeePlanEligibilityReport.View()
at WORKTERRA.BenAdmin.Areas.Report.Controllers.ReportController.EmployeePlanEligibilityReport(EmployeePlanEligibilityReport objEmployeePlanEligibilityReport)
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.ControllerActionInvoker.<>c_DisplayClass15.b_12()
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.<>c_DisplayClass15.<>cDisplayClass17.b_14()
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.<>c_DisplayClass15.<>cDisplayClass17.b_14()
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodWithFilters(ControllerContext controllerContext, IList`1 filters, ActionDescriptor actionDescriptor, IDictionary`2 parameters)
at System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName)

CC: WT-AdminRakesh RoyHrishikesh DeshpandeSamir