Exception     : Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , >, >= or when the subquery is used as an expression.
App Error Log : ControllerAppTier.Delete->WORKTERRAControllerAppTier.Delete->UserDefinedField.Delete->UserDefinedField.DeleteUserDefinedField
Employee ID   : 0
Action Name   : DeleteField
Model         : System.Web.Mvc.HandleErrorInfo
Controller    : Customization
Web Error Log :    at WORKTERRA.Shared.WORKTERRAControllerWebTier.Delete(ObjectType I_objectType, Hashtable I_criteria, Object I_context) in e:\SVN\Stage_OnBoard\Web\ControllerWebTier\ControllerWebTier\WORKTERRAControllerWebTier.cs:line 175
   at WORKTERRA.Shared.Areas.Customization.Controllers.CustomizationController.DeleteField(String Id) in e:\SVN\Stage_OnBoard\Web\Web Projects\WORKTERRA\Areas\Customization\Controllers\FormBuilder\DesignFormController.cs:line 122
   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__DisplayClass13.<InvokeActionMethodWithFilters>b__10()
   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)