Error executing SQL

array(1) { [0]=> array(5) { ["standard-message"]=> string(155) "An exception occurred while executing a query: SQLSTATE[HY000]: General error: 3 Error writing file '/tmp/MYfd=296' (OS errno 28 - No space left on device)" ["standard-code"]=> int(3) ["trace"]=> string(311) "#0 /var/www/vhosts/pts-uk.ogles2.co.uk/include/catalogue.php(2079): Database\Connection->query('\n ...') #1 /var/www/vhosts/pts-uk.ogles2.co.uk/themes/pts/productlist.php(474): Catalogue->queryProducts() #2 /var/www/vhosts/pts-uk.ogles2.co.uk/router.php(78): include('/var/www/vhosts...') #3 {main}" ["file"]=> string(59) "/var/www/vhosts/pts-uk.ogles2.co.uk/Database/Connection.php" ["line"]=> int(160) } }