Doctrine\DBAL\DBALException::invalidPlatformVersionSpecified PHP Method

    public static function invalidPlatformVersionSpecified($version, $expectedFormat)
    {
        return new self(sprintf('Invalid platform version "%s" specified. ' . 'The platform version has to be specified in the format: "%s".', $version, $expectedFormat));
    }

 /**
  * {@inheritdoc}
  */
 public function createDatabasePlatformForVersion($version)
 {
     if (!preg_match('/^(?P<major>\\d+)(?:\\.(?P<minor>\\d+)(?:\\.(?P<patch>\\d+))?)?/', $version, $versionParts)) {
         throw DBALException::invalidPlatformVersionSpecified($version, '<major_version>.<minor_version>.<patch_version>');
     }
     $majorVersion = $versionParts['major'];
     $minorVersion = isset($versionParts['minor']) ? $versionParts['minor'] : 0;
     $patchVersion = isset($versionParts['patch']) ? $versionParts['patch'] : 0;
     $version = $majorVersion . '.' . $minorVersion . '.' . $patchVersion;
     switch (true) {
         case version_compare($version, '9.2', '>='):
             return new PostgreSQL92Platform();
         case version_compare($version, '9.1', '>='):
             return new PostgreSQL91Platform();
         default:
             return new PostgreSqlPlatform();
     }
 }