Notice (8): Trying to access array offset on value of type null [APP/Controller/AppController.php, line 605]
Warning (2): trim() expects parameter 1 to be string, array given [APP/Controller/AppController.php, line 933]
Warning (2): Cannot modify header information - headers already sent by (output started at /home/animaster/animanaturalis.org/vendor/cakephp/cakephp/src/Error/Debugger.php:856) [APP/Controller/AppController.php, line 174]
Warning (512): Unable to emit headers. Headers sent in file=/home/animaster/animanaturalis.org/vendor/cakephp/cakephp/src/Error/Debugger.php line=856 [CORE/src/Http/ResponseEmitter.php, line 51]
Warning (2): Cannot modify header information - headers already sent by (output started at /home/animaster/animanaturalis.org/vendor/cakephp/cakephp/src/Error/Debugger.php:856) [CORE/src/Http/ResponseEmitter.php, line 152]
Warning (2): Cannot modify header information - headers already sent by (output started at /home/animaster/animanaturalis.org/vendor/cakephp/cakephp/src/Error/Debugger.php:856) [CORE/src/Http/ResponseEmitter.php, line 181]
Error: Missing Method in PostsController

Missing Method in PostsController Cake\Controller\Exception\MissingActionException

Documentation API

The action action is not defined in PostsController

Error: Create PostsController::action() in file: src/Controller/PostsController.php.

<?php
namespace App\Controller;

use 
App\Controller\AppController;

class 
PostsController extends AppController
{

    public function 
action()
    {

    }
}

If you want to customize this error message, create src/Template/Error/missing_action.ctp

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