Error :-(

Database error on connection 11580: Cannot execute query. in /var/www/boilieroller.hu/Classes/CurDB.class.php at line #89

trace:
#0 /var/www/boilieroller.hu/Classes/Lists.php(177): CurDB::executeQuery('SELECT  webshop...')
#1 /var/www/boilieroller.hu/Pages/Utils/boxWebshopSlide.php(6): Lists::webshopproduct(NULL, NULL, 'RAND()', 0, 20)
#2 /var/www/boilieroller.hu/Templates/Poloplanet/Poloplanet.php(47): boxWebshopSlide(10)
#3 /var/www/boilieroller.hu/Templates/Poloplanet/Poloplanet.php(65): Poloplanet->loadFileContent('boxwebshopslide', Array)
#4 /var/www/boilieroller.hu/Pages/Utils/incSBLeft.php(17): Poloplanet->addBoxFromFile('/var/www/boilie...', Array, '\xC3\x9Ajdons\xC3\xA1gok', 2, 'box webshopslid...')
#5 /var/www/boilieroller.hu/Pages/Utils/incDefaults.php(4): require('/var/www/boilie...')
#6 /var/www/boilieroller.hu/index.php(19): require('/var/www/boilie...')
#7 {main}

__toString():
Error of type CurDBQueryException occured. The request cannot be completed at the moment.

dump:
CurDBQueryException Object
(
    [params] => Array
        (
            [sent_sql] => SELECT  webshop_product.*,category_name FROM `webshop_product` LEFT JOIN webshop_category ON webshop_category.category_id=webshop_product.category_id WHERE TRUE  ORDER BY RAND() LIMIT 0,20
            [server_response] => Disk full (/tmp/#sql_268_0.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
        )

    [message:protected] => Database error on connection 11580: Cannot execute query.
    [string:Exception:private] => 
    [code:protected] => 1021
    [file:protected] => /var/www/boilieroller.hu/Classes/CurDB.class.php
    [line:protected] => 89
    [trace:Exception:private] => Array
        (
            [0] => Array
                (
                    [file] => /var/www/boilieroller.hu/Classes/Lists.php
                    [line] => 177
                    [function] => executeQuery
                    [class] => CurDB
                    [type] => ::
                    [args] => Array
                        (
                            [0] => SELECT  webshop_product.*,category_name FROM `webshop_product` LEFT JOIN webshop_category ON webshop_category.category_id=webshop_product.category_id WHERE TRUE  ORDER BY RAND() LIMIT 0,20
                        )

                )

            [1] => Array
                (
                    [file] => /var/www/boilieroller.hu/Pages/Utils/boxWebshopSlide.php
                    [line] => 6
                    [function] => webshopproduct
                    [class] => Lists
                    [type] => ::
                    [args] => Array
                        (
                            [0] => 
                            [1] => 
                            [2] => RAND()
                            [3] => 0
                            [4] => 20
                        )

                )

            [2] => Array
                (
                    [file] => /var/www/boilieroller.hu/Templates/Poloplanet/Poloplanet.php
                    [line] => 47
                    [function] => boxWebshopSlide
                    [args] => Array
                        (
                            [0] => 10
                        )

                )

            [3] => Array
                (
                    [file] => /var/www/boilieroller.hu/Templates/Poloplanet/Poloplanet.php
                    [line] => 65
                    [function] => loadFileContent
                    [class] => Poloplanet
                    [type] => ->
                    [args] => Array
                        (
                            [0] => boxwebshopslide
                            [1] => Array
                                (
                                    [0] => 10
                                )

                        )

                )

            [4] => Array
                (
                    [file] => /var/www/boilieroller.hu/Pages/Utils/incSBLeft.php
                    [line] => 17
                    [function] => addBoxFromFile
                    [class] => Poloplanet
                    [type] => ->
                    [args] => Array
                        (
                            [0] => /var/www/boilieroller.hu/Pages/Utils/boxWebshopSlide.php
                            [1] => Array
                                (
                                    [0] => 10
                                )

                            [2] => Újdonságok
                            [3] => 2
                            [4] => box webshopslide
                        )

                )

            [5] => Array
                (
                    [file] => /var/www/boilieroller.hu/Pages/Utils/incDefaults.php
                    [line] => 4
                    [args] => Array
                        (
                            [0] => /var/www/boilieroller.hu/Pages/Utils/incSBLeft.php
                        )

                    [function] => require
                )

            [6] => Array
                (
                    [file] => /var/www/boilieroller.hu/index.php
                    [line] => 19
                    [args] => Array
                        (
                            [0] => /var/www/boilieroller.hu/Pages/Utils/incDefaults.php
                        )

                    [function] => require
                )

        )

    [previous:Exception:private] => 
)