Notice (8): compact() [<a href='https://secure.php.net/function.compact'>function.compact</a>]: Undefined variable: etagMatches [CORE/src/Http/Response.php, line 1864]
Notice (8): compact() [<a href='https://secure.php.net/function.compact'>function.compact</a>]: Undefined variable: timeMatches [CORE/src/Http/Response.php, line 1864]
Warning (512): Unable to emit headers. Headers sent in file=/var/www/vhosts/emirate.de/httpdocs/vendor/cakephp/cakephp/src/Error/Debugger.php line=822 [CORE/src/Http/ResponseEmitter.php, line 48]
Warning (2): Cannot modify header information - headers already sent by (output started at /var/www/vhosts/emirate.de/httpdocs/vendor/cakephp/cakephp/src/Error/Debugger.php:822) [CORE/src/Http/ResponseEmitter.php, line 148]
Warning (2): Cannot modify header information - headers already sent by (output started at /var/www/vhosts/emirate.de/httpdocs/vendor/cakephp/cakephp/src/Error/Debugger.php:822) [CORE/src/Http/ResponseEmitter.php, line 177]
Warning (2): Cannot modify header information - headers already sent by (output started at /var/www/vhosts/emirate.de/httpdocs/vendor/cakephp/cakephp/src/Error/Debugger.php:822) [CORE/src/Http/ResponseEmitter.php, line 177]
Error: Missing Controller

Missing Controller Cake\Routing\Exception\MissingControllerException

Documentation API

Error: Oman.htmController could not be found.

In the case you tried to access a plugin controller make sure you added it to your composer file or you use the autoload option for the plugin.

Error: Create the class Oman.htmController below in file: src/Controller/Oman.htmController.php

    <?php
    
namespace App\Controller;

    use 
App\Controller\AppController;

    class 
Oman.htmController extends AppController
    
{

    }

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

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