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Warning (2): count(): Parameter must be an array or an object that implements Countable [APP/Model/Table/ContenutoTable.php, line 562]

Code Context

        $contain = $this->contain_contenuto;
        $contenuto_id = $this->ids[(count($this->ids)-1)];

$contain = [
	(int) 0 => 'Traduzione',
	'Foto' => [
		'Media' => [
			(int) 0 => 'MediaTraduzione'
		]
	],
	'Video' => [
		'Media' => [
			(int) 0 => 'MediaTraduzione'
		]
	],
	'Allegati' => [
		'Media' => [
			(int) 0 => 'MediaTraduzione'
		]
	]
]

count - [internal], line ??
App\Model\Table\ContenutoTable::contenuto() - APP/Model/Table/ContenutoTable.php, line 562
App\Controller\AppController::dati_per_vista() - APP/Controller/AppController.php, line 879
App\Controller\PagesController::createpage() - APP/Controller/PagesController.php, line 53
Cake\Controller\Controller::invokeAction() - CORE/src/Controller/Controller.php, line 606
Cake\Http\ActionDispatcher::_invoke() - CORE/src/Http/ActionDispatcher.php, line 120
Cake\Http\ActionDispatcher::dispatch() - CORE/src/Http/ActionDispatcher.php, line 94
Cake\Routing\Dispatcher::dispatch() - CORE/src/Routing/Dispatcher.php, line 66
require - ROOT/webroot/index.php, line 36
[main] - ROOT/index.php, line 16

Notice (8): Trying to access array offset on value of type null [APP/Model/Table/ContenutoTable.php, line 562]

Code Context

        $contain = $this->contain_contenuto;
        $contenuto_id = $this->ids[(count($this->ids)-1)];

$contain = [
	(int) 0 => 'Traduzione',
	'Foto' => [
		'Media' => [
			(int) 0 => 'MediaTraduzione'
		]
	],
	'Video' => [
		'Media' => [
			(int) 0 => 'MediaTraduzione'
		]
	],
	'Allegati' => [
		'Media' => [
			(int) 0 => 'MediaTraduzione'
		]
	]
]

App\Model\Table\ContenutoTable::contenuto() - APP/Model/Table/ContenutoTable.php, line 562
App\Controller\AppController::dati_per_vista() - APP/Controller/AppController.php, line 879
App\Controller\PagesController::createpage() - APP/Controller/PagesController.php, line 53
Cake\Controller\Controller::invokeAction() - CORE/src/Controller/Controller.php, line 606
Cake\Http\ActionDispatcher::_invoke() - CORE/src/Http/ActionDispatcher.php, line 120
Cake\Http\ActionDispatcher::dispatch() - CORE/src/Http/ActionDispatcher.php, line 94
Cake\Routing\Dispatcher::dispatch() - CORE/src/Routing/Dispatcher.php, line 66
require - ROOT/webroot/index.php, line 36
[main] - ROOT/index.php, line 16