[Unknown Error] Uncaught PDOException: SQLSTATE[HY000] [2002] No such file or directory

GET /download?file=https%3A%2F%2F4905753ff3cea231a868-376d75cd2890937de6f542499f88a819.ssl.cf3.rackcdn.com%2FQueen_Elizabeth%2Fuploads%2Fdocument%2FRoblox.pdf%3Ft%3D1638439982

Line 254 in /var/www/vhosts/queenelizabeths.kent.sch.uk/httpdocs/vendor/silverstripe/framework/src/ORM/Connect/PDOConnector.php

Source

245                 $options[PDO::ATTR_EMULATE_PREPARES] = (bool)$isEmulatePrepares;
246             }
247 
248             // Disable stringified fetches
249             $options[PDO::ATTR_STRINGIFY_FETCHES] = false;
250         }
251 
252         // May throw a PDOException if fails
253         $this->pdoConnection = new PDO(
254             $this->driver . ':' . implode(';', $dsn),
255             empty($parameters['username']) ? '' : $parameters['username'],
256             empty($parameters['password']) ? '' : $parameters['password'],
257             $options
258         );
259 
260         // Show selected DB if requested

Trace