DbException: Query failed:

SELECT `widgets`.*
FROM `wallpaper_widgets` AS `widgets`
WHERE `wallpaper_id` = 14736 and `revision_id` = 0
ORDER BY `widgets`.`zindex` ASC,`widgets`.`widget_id` ASC
Backtrace:
  1. DBAL_mysql->query
    file: core/core.site/classes/DBAL.php (line: 174)
  2. DBAL->execute
    file: core/core.site/classes/models/DBModel.php (line: 1506)
  3. DBModel->selectSql
    file: core/core.site/classes/models/DBModel.php (line: 1642)
  4. DBModel->select
    file: core/core.site/classes/models/DBModel.php (line: 1106)
  5. DBModel->load
    file: app/classes/models/WallpaperWidgetsModel.php (line: 66)
  6. WallpaperWidgetsModel->getWidgets
    file: app/classes/models/WallpaperWidgetsModel.php (line: 73)
  7. WallpaperWidgetsModel->getWidgetsJson
    file: app/classes/controllers/WallpaperController.php (line: 127)
  8. WallpaperController->handle_view
  9. call_user_func_array
    file: core/core.site/classes/controllers/Controller.php (line: 238)
  10. Controller->handle
    file: app/index.php (line: 126)
Mysql said:
Table './wikiwall_production/wallpaper_widgets' is marked as crashed and last (automatic?) repair failed