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Fatal error: Call to undefined method Cache::isStored() in classes/ObjectModel.php on line 1470

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après avoir effectué une MAJ de prestashop tout s'était bien passé jusqu'a aujourd'hui lorsque j'ai été regarder l'onglet performance de mon prestashop...et la c'est le drame...


Sans rien avoir modifié (pas de mise en cache actuellement), le site crash et me met :


Fatal error: Call to undefined method Cache::isStored() in /homepages/8/d430096632/htdocs/classes/ObjectModel.php on line 1470


Dans ces lignes se trouve ce code :


if ($field !== null || !Cache::isStored($cache_id))


$reflection = new ReflectionClass($class);

$definition = $reflection->getStaticPropertyValue('definition');


$definition['classname'] = $class;


if (!empty($definition['multilang']))

$definition['associations'][Collection::LANG_ALIAS] = array(

'type' => self::HAS_MANY,

'field' => $definition['primary'],

'foreign_field' => $definition['primary'],



if ($field)

return isset($definition['fields'][$field]) ? $definition['fields'][$field] : null;


Cache::store($cache_id, $definition);

return $definition;




Sur le forum anglophone est donné la méthode pour le 1.5.3 mais pas le 1.5.4 car le code change : http://www.prestashop.com/forums/topic/217916-solved-prestashop-1531-objectmodel-class-changes/


Une idée ?? Merci !

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