added try catch

Logic/VehicleLogic.cs

@@ -349,6 +349,8 @@ namespace CarCareTracker.Logic
                     int monthMultiplier = 1;
                     var originalDate = recurringFee.Date;
                     while (isOutdated)
+                    {
+                        try
                         {
                             var nextDate = originalDate.AddMonths(monthInterval * monthMultiplier);
                             monthMultiplier++;
@@ -359,6 +361,11 @@ namespace CarCareTracker.Logic
                             _taxRecordDataAccess.SaveTaxRecordToVehicle(recurringFee);
                             isOutdated = !recurringFee.IsRecurring;
                         }
+                        catch (Exception)
+                        {
+                            isOutdated = false; //break out of loop if something broke.
+                        }
+                    }
                 }
             }
         }