if (!$mask) {
            file_put_contents($pathname, $message . "\n", FILE_APPEND);

Cake\Error\ErrorTrap->handleError() [internal], line ??
/app/vendor/cakephp/cakephp/src/Log/Engine/FileLog.php /app/vendor/cakephp/cakephp/src/Log/Engine/FileLog.php, line 137
Cake\Log\Engine\FileLog->log() /app/vendor/cakephp/cakephp/src/Log/Log.php, line 381
Cake\Log\Log::write() /app/vendor/cakephp/cakephp/src/Log/Log.php, line 466
Cake\Log\Log::warning() /app/vendor/cakephp/debug_kit/src/ToolbarService.php, line 178
DebugKit\ToolbarService->isSuspiciouslyProduction() /app/vendor/cakephp/debug_kit/src/ToolbarService.php, line 115
DebugKit\ToolbarService->isEnabled() /app/vendor/cakephp/debug_kit/src/DebugKitPlugin.php, line 50
DebugKit\DebugKitPlugin->bootstrap() /app/vendor/cakephp/cakephp/src/Http/BaseApplication.php, line 201
Cake\Http\BaseApplication->pluginBootstrap() /app/vendor/cakephp/cakephp/src/Http/Server.php, line 119
Cake\Http\Server->bootstrap() /app/vendor/cakephp/cakephp/src/Http/Server.php, line 79
Cake\Http\Server->run() /app/webroot/index.php, line 37
/app/index.php /app/index.php, line 16
[main]

            $this->_init = false;
            trigger_error(sprintf(
                '%s is not writable',

Cake\Error\ErrorTrap->handleError() [internal], line ??
/app/vendor/cakephp/cakephp/src/Cache/Engine/FileEngine.php /app/vendor/cakephp/cakephp/src/Cache/Engine/FileEngine.php, line 468
Cake\Cache\Engine\FileEngine->_active() /app/vendor/cakephp/cakephp/src/Cache/Engine/FileEngine.php, line 110
Cake\Cache\Engine\FileEngine->init() /app/vendor/cakephp/cakephp/src/Cache/CacheRegistry.php, line 85
Cake\Cache\CacheRegistry->_create() /app/vendor/cakephp/cakephp/src/Core/ObjectRegistry.php, line 112
Cake\Core\ObjectRegistry->load() /app/vendor/cakephp/cakephp/src/Cache/Cache.php, line 152
Cake\Cache\Cache::_buildEngine() /app/vendor/cakephp/cakephp/src/Cache/Cache.php, line 216
Cake\Cache\Cache::pool() /app/vendor/cakephp/cakephp/src/I18n/I18n.php, line 77
Cake\I18n\I18n::translators() /app/vendor/cakephp/cakephp/src/I18n/I18n.php, line 152
Cake\I18n\I18n::getTranslator() /app/vendor/cakephp/cakephp/src/I18n/functions.php, line 87
/app/vendor/cakephp/authentication/src/Authenticator/UnauthenticatedException.php /app/vendor/cakephp/authentication/src/Authenticator/UnauthenticatedException.php, line 42
Authentication\Authenticator\UnauthenticatedException->__construct() /app/vendor/cakephp/authentication/src/Controller/Component/AuthenticationComponent.php, line 189
Authentication\Controller\Component\AuthenticationComponent->doIdentityCheck() /app/vendor/cakephp/authentication/src/Controller/Component/AuthenticationComponent.php, line 132
Authentication\Controller\Component\AuthenticationComponent->startup() /app/vendor/cakephp/cakephp/src/Event/EventManager.php, line 332
Cake\Event\EventManager->_callListener() /app/vendor/cakephp/cakephp/src/Event/EventManager.php, line 316
Cake\Event\EventManager->dispatch() /app/vendor/cakephp/cakephp/src/Event/EventDispatcherTrait.php, line 92
Cake\Controller\Controller->dispatchEvent() /app/vendor/cakephp/cakephp/src/Controller/Controller.php, line 607
Cake\Controller\Controller->startupProcess() /app/vendor/cakephp/cakephp/src/Controller/ControllerFactory.php, line 156
Cake\Controller\ControllerFactory->handle() /app/vendor/cakephp/cakephp/src/Controller/ControllerFactory.php, line 141
Cake\Controller\ControllerFactory->invoke() /app/vendor/cakephp/cakephp/src/Http/BaseApplication.php, line 362
Cake\Http\BaseApplication->handle() /app/vendor/cakephp/cakephp/src/Http/Runner.php, line 86
Cake\Http\Runner->handle() /app/vendor/cakephp/cakephp/src/Http/Middleware/CsrfProtectionMiddleware.php, line 159
Cake\Http\Middleware\CsrfProtectionMiddleware->process() /app/vendor/cakephp/cakephp/src/Http/Runner.php, line 82
Cake\Http\Runner->handle() /app/vendor/cakephp/authentication/src/Middleware/AuthenticationMiddleware.php, line 106
Authentication\Middleware\AuthenticationMiddleware->process() /app/vendor/cakephp/cakephp/src/Http/Runner.php, line 82
Cake\Http\Runner->handle() /app/vendor/cakephp/cakephp/src/Http/Middleware/BodyParserMiddleware.php, line 157
Cake\Http\Middleware\BodyParserMiddleware->process() /app/vendor/cakephp/cakephp/src/Http/Runner.php, line 82
Cake\Http\Runner->handle() /app/vendor/cakephp/cakephp/src/Routing/Middleware/RoutingMiddleware.php, line 118
Cake\Routing\Middleware\RoutingMiddleware->process() /app/vendor/cakephp/cakephp/src/Http/Runner.php, line 82
Cake\Http\Runner->handle() /app/vendor/cakephp/cakephp/src/Routing/Middleware/AssetMiddleware.php, line 71
Cake\Routing\Middleware\AssetMiddleware->process() /app/vendor/cakephp/cakephp/src/Http/Runner.php, line 82
Cake\Http\Runner->handle() /app/vendor/cakephp/cakephp/src/Error/Middleware/ErrorHandlerMiddleware.php, line 115
Cake\Error\Middleware\ErrorHandlerMiddleware->process() /app/vendor/cakephp/cakephp/src/Http/Runner.php, line 82
Cake\Http\Runner->handle() /app/vendor/cakephp/cakephp/src/Http/Runner.php, line 60
Cake\Http\Runner->run() /app/vendor/cakephp/cakephp/src/Http/Server.php, line 98
Cake\Http\Server->run() /app/webroot/index.php, line 37
/app/index.php /app/index.php, line 16
[main]

            $message = "Unable to emit headers. Headers sent in file={$file} line={$line}";
            trigger_error($message, E_USER_WARNING);
        }

Cake\Error\ErrorTrap->handleError() [internal], line ??
/app/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php /app/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 65
Cake\Http\ResponseEmitter->emit() /app/vendor/cakephp/cakephp/src/Http/Server.php, line 142
Cake\Http\Server->emit() /app/webroot/index.php, line 37
/app/index.php /app/index.php, line 16
[main]

        $reasonPhrase = $response->getReasonPhrase();
        header(sprintf(
            'HTTP/%s %d%s',

Cake\Error\ErrorTrap->handleError() [internal], line ??
/app/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php /app/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 158
Cake\Http\ResponseEmitter->emitStatusLine() /app/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 68
Cake\Http\ResponseEmitter->emit() /app/vendor/cakephp/cakephp/src/Http/Server.php, line 142
Cake\Http\Server->emit() /app/webroot/index.php, line 37
/app/index.php /app/index.php, line 16
[main]

            foreach ($values as $value) {
                header(sprintf(
                    '%s: %s',

Cake\Error\ErrorTrap->handleError() [internal], line ??
/app/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php /app/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 191
Cake\Http\ResponseEmitter->emitHeaders() /app/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 69
Cake\Http\ResponseEmitter->emit() /app/vendor/cakephp/cakephp/src/Http/Server.php, line 142
Cake\Http\Server->emit() /app/webroot/index.php, line 37
/app/index.php /app/index.php, line 16
[main]