Error

System.InvalidOperationException: Nullable object must have a value. at System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource) at System.Nullable`1.get_Value() at SmartInsure.Controllers.BaseController.CalculateAgeByDateOfBirth(String dateOfBirth, String insuranceDate)ไม่พบข้อมูลวันเกิด1/2/2566ไม่พบข้อมูลวันเกิด