Warning (2): unlink(/usr/local/pem/vhosts/109499/webspace/httpsdocs/powerspace.ne.jp/app/tmp/cache/models/cake_model_default_ps_systemconfig) [http://php.net/function.unlink]: No such file or directory [CORE/cake/libs/file.php, line 298]
Code
        }
        if ($this->exists()) {
            return unlink($this->path);
unlink - [internal], line ??
File::delete() - CORE/cake/libs/file.php, line 298
FileEngine::clear() - CORE/cake/libs/cache/file.php, line 248
FileEngine::gc() - CORE/cake/libs/cache/file.php, line 104
Cache::_buildEngine() - CORE/cake/libs/cache.php, line 168
Cache::config() - CORE/cake/libs/cache.php, line 141
Configure::__loadBootstrap() - CORE/cake/libs/configure.php, line 436
Configure::getInstance() - CORE/cake/libs/configure.php, line 52
include - CORE/cake/bootstrap.php, line 38
[main] - APP/webroot/index.php, line 79

Warning (2): Cannot modify header information - headers already sent by (output started at /usr/local/pem/vhosts/109499/webspace/httpsdocs/powerspace.ne.jp/cake/libs/debugger.php:686) [CORE/cake/libs/controller/components/request_handler.php, line 763]
Code | Context
 */
    function _header($header) {
        header($header);
$header	=	"Content-type: text/html; charset=UTF-8"
header - [internal], line ??
RequestHandlerComponent::_header() - CORE/cake/libs/controller/components/request_handler.php, line 763
RequestHandlerComponent::respondAs() - CORE/cake/libs/controller/components/request_handler.php, line 747
RequestHandlerComponent::startup() - CORE/cake/libs/controller/components/request_handler.php, line 248
Component::triggerCallback() - CORE/cake/libs/controller/component.php, line 186
Controller::startupProcess() - CORE/cake/libs/controller/controller.php, line 523
Dispatcher::_invoke() - CORE/cake/dispatcher.php, line 187
Dispatcher::dispatch() - CORE/cake/dispatcher.php, line 171
[main] - APP/webroot/index.php, line 86