Good day KoolReport, I've been trying to utilize server processing in the datagrid package and i have received this error:
Uncaught Error: DataTables warning: table id=datatables5dc2786d40f937 - Invalid JSON response. For more information about this error, please see http://datatables.net/tn/1
Here is my code: <?php
 DataTables::create(array(
        'dataSource' => function() {
            return $this->src('employees')
                ->query("SELECT date_format(cl.created_at,'%d %b %Y') as 'Date' ,cl.id,
                        a.name as 'Module',u.name, p.name as 'Campaign' , concat(u.name,' ',u.surname)as 'User',
                        record_processed, success_process as 'Successfully Processed', 
                        not_success_process as 'Unsuccessfully Processed'
                        FROM campaign_manager_logs cl
                        join application_modules as a on a.id =  cl.application_module_id
                        join preview_campaigns as p on p.id = cl.campaign_id
                        join users as u on u.id = cl.user_id
                        where application_module_id = 12");
        },
            "options" => array(
                "searching" => true,
                "paging" => true,
                "colReorder" => true,
                "order" => [],
                "ordering" => false,
                "pageLength" => 25,
   
            ),
            "showFooter"=>true,
            "serverSide"=>true,
// "method" => "post",
        ));
?>