ERROR: Disk full (/tmp/#sql_6670c_0.MAI); waiting for someone to free some space... (errno: 28 "No space left on device"):

SHOW COLUMNS FROM conference_items

12. [ERROR] rude\exception::error()                                    called at /var/www/medsites/shared/includes/rude-php/src/database/rude-database.php:94
11. [OK]    rude\database->query()                                     called at /var/www/medsites/shared/includes/rude-php/src/database/rude-database.php:144
10. [OK]    rude\database->columns()                                   called at /var/www/medsites/shared/includes/rude-php/src/database/rude-database.php:164
 9. [OK]    rude\database->fields()                                    called at /var/www/medsites/shared/includes/rude-php/src/database/query/rude-query.php:130
 8. [OK]    rude\query->add_where()                                    called at /var/www/medsites/shared/includes/rude-php/src/database/query/rude-query-select.php:36
 7. [OK]    rude\query_select->where()                                 called at /var/www/medsites/shared/includes/rude-php/src/workspace/helpers/rude-helper-conferences.php:87
 6. [OK]    rude\helper_conferences::get_conference_id_by_channel_id() called at /var/www/medsites/linkxpress/includes/Helper/Channels.php:440
 5. [OK]    Helper_Channels::ShowMobileListChannelsTopBar()            called at /var/www/medsites/linkxpress/includes/Helper/Mobile.php:566
 4. [OK]    Helper_Mobile::menu()                                      called at /var/www/medsites/linkxpress/includes/Helper/Mobile.php:110
 3. [OK]    Helper_Mobile::body()                                      called at /var/www/medsites/linkxpress/includes/Helper/Mobile.php:17
 2. [OK]    Helper_Mobile::html()                                      called at /var/www/medsites/mobile_es_hospimedica/templates/rhuk_solarflare_ii/index.php:5
 1. [OK]    require_once()                                             called at /var/www/medsites/mobile_es_hospimedica/index.php:414