Error

System.InvalidOperationException: Nullable object must have a value. at System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource) at SmartInsure.Controllers.BaseController.CalculateAgeByDateOfBirth(String dateOfBirth, String insuranceDate) in E:\Chanon\SmartInsureBBL\SmartInsure\Controllers\BaseController.cs:line 879ไม่พบข้อมูลวันเกิด25/1/2565ไม่พบข้อมูลวันเกิด