error on production

2014-02-28 04:31:38 Warning: Warning (2): fpassthru() has been disabled for security reasons in [/app/Plugin/Minify/Vendor/minify/lib/Minify/Cache/File.php, line 82]
Trace:
fpassthru - [internal], line ??
Minify_Cache_File::display() - APP/Plugin/Minify/Vendor/minify/lib/Minify/Cache/File.php, line 82
Minify::serve() - APP/Plugin/Minify/Vendor/minify/lib/Minify.php, line 348
include_once - APP/Plugin/Minify/Vendor/minify/index.php, line 70
App::_loadVendor() - CORE/Cake/Core/App.php, line 745
App::import() - CORE/Cake/Core/App.php, line 651
MinifyController::index() - APP/Plugin/Minify/Controller/MinifyController.php, line 38
ReflectionMethod::invokeArgs() - [internal], line ??
Controller::invokeAction() - CORE/Cake/Controller/Controller.php, line 490
Dispatcher::_invoke() - CORE/Cake/Routing/Dispatcher.php, line 187
Dispatcher::dispatch() - CORE/Cake/Routing/Dispatcher.php, line 162
[main] - APP/webroot/index.php, line 96