Replication Steps:
1.Login with Application
2.Login With Partner
3.Go to Company Benadmin Home > Form Builder
4.Go to any Form > add Fields > Go to Field settings
5.Click on field Rule Engine > Select Condition Type > Save

CC:Sachin Hingole Prasad Pise Rakesh Roy Hrishikesh Deshpande

Actual : Server Error Occurred

Expected : There should not be any server error

Exception : Object reference not set to an instance of an object.
App Error Log : ControllerAppTier.Save->WORKTERRAControllerAppTier.Save->UserDefinedField.Save->UserDefinedField.AddUpdateAdditionalCriteria
Employee ID : 0
Action Name : UpdateFieldRuleEngine
Model : System.Web.Mvc.HandleErrorInfo
Controller : Customization
Web Error Log : at WORKTERRA.Shared.WORKTERRAControllerWebTier.Save(ObjectType I_objectType, Object objInputObject, Object I_context, Boolean I_mode)
at WORKTERRA.Shared.Areas.Customization.Models.FormBuilderSettingsModel.SaveFixedValue(String hiddenMetaCheckListFieldValue, String hiddenMetaValue)
at WORKTERRA.Shared.Areas.Customization.Controllers.CustomizationController.UpdateFieldRuleEngine(FormBuilderSettingsModel objFormBuilderSettings, FormCollection objCollection)
at lambda_method(Closure , ControllerBase , Object[] )
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.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
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)