Fatal error: Uncaught Error: Class "LeaveRequest_Model_SimpleModel" not found in C:\www\Ausgrid\LeaveRequest\branches\calendar-actioned\library\LeaveRequest\Model\RequestLeavePeriodDetails.php:14 Stack trace: #0 {main} thrown in C:\www\Ausgrid\LeaveRequest\branches\calendar-actioned\library\LeaveRequest\Model\RequestLeavePeriodDetails.php on line 14