import items from custom code

$data['type_id'] = 1; // e.g. 1 for article //ok not error
$data['language']=  'en-GB'; // e.g. 'en-GB' //ok not error
/*-------------------------------------*/
$data['catid']   = 1; // INTEGER ... the main category of the item category !!! NULL ADMIN PANEL!!!
$data['cid']     = array(7,8,9); //e.g. array(55,117,56)  an array of the secondary categories of the item !!! NULL ADMIN PANEL!!!
/*-------------------------------------*/
$data['vstate']  = 2;  // item version is approved //Set state as : waiting for approval (unpublished)
$data['state']   = 1;  // 1 for published ...
/*-------------------------------------*/
$data['created_by'] = 860; // !!! NULL ADMIN PANEL!!!

$credentials = Array('username' => "login", 'password' => "password");
JFactory::getApplication()->login($credentials);
// Create a log file
$user = JFactory::getUser();
//and
$data['created_by'] = $user->id;