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ERROR : Cannot select any valid SQL engine.

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[PrestaShopException]
Cannot select any valid SQL engine.
at line 258 in file classes/db/Db.php

253.             $class = 'DbPDO';
254.         } elseif (extension_loaded('mysqli')) {
255.             $class = 'DbMySQLi';
256.         }
257.         if (empty($class)) {
258.             throw new PrestaShopException('Cannot select any valid SQL engine.');
259.         }
260.         return $class;
261.     }
262.     /**
263.      * Instantiates a database connection.
DbCore::getClass - [line 201 - classes/db/Db.php]
DbCore::getInstance - [line 48 - config/alias.php]
pSQL - [line 339 - classes/shop/Shop.php] - [1 Arguments]
ShopCore::initialize - [line 117 - config/config.inc.php]
require - [line 27 - index.php] - [1 Arguments]

 

Prestashop version : 1.7 

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