Warning (2): unserialize(): Extra data starting at offset 2 of 8211 bytes [CORE/Cake/Cache/Engine/FileEngine.php, line 194]

<?php                 $data = str_replace('\\\\\\\\', '\\', $data);
<?php             }
<?php             $data = unserialize((string)$data);

unserialize - [internal], line ??
FileEngine::read() - CORE/Cake/Cache/Engine/FileEngine.php, line 194
Cache::read() - CORE/Cake/Cache/Cache.php, line 363
DataSource::_cacheDescription() - CORE/Cake/Model/Datasource/DataSource.php, line 306
Mysql::describe() - CORE/Cake/Model/Datasource/Database/Mysql.php, line 384
Model::schema() - CORE/Cake/Model/Model.php, line 1398
DboSource::fields() - CORE/Cake/Model/Datasource/DboSource.php, line 2666
DboSource::read() - CORE/Cake/Model/Datasource/DboSource.php, line 1176
Model::_readDataSource() - CORE/Cake/Model/Model.php, line 3054
Model::find() - CORE/Cake/Model/Model.php, line 3026
PaginatorComponent::paginate() - CORE/Cake/Controller/Component/PaginatorComponent.php, line 212
Controller::paginate() - CORE/Cake/Controller/Controller.php, line 1112
VillesController::index() - APP/Controller/VillesController.php, line 20
ReflectionMethod::invokeArgs() - [internal], line ??
Controller::invokeAction() - CORE/Cake/Controller/Controller.php, line 500
Dispatcher::_invoke() - CORE/Cake/Routing/Dispatcher.php, line 193
Dispatcher::dispatch() - CORE/Cake/Routing/Dispatcher.php, line 167
[main] - APP/webroot/index.php, line 110