An error occured

Stacktrace:
Debug backtrace:
    @ YDUtil.php:405 -- YDDebugUtil->getStackTrace()
    @ YDDatabase.php:1799 -- YDDebugUtil->error(...)
    @ YDDatabase.php:1685 -- YDDatabaseDriver_mysql->_connectAndExec(...)
    @ YDWeblogAPI.php:1057 -- YDDatabaseDriver_mysql->getRecords(...)
    @ category.php:17 -- YDWeblogAPI->getObjectCategoriesByLang(...)
    @ category.php -- category->actionDefault()
    @ YDRequest.php:345 -- call_user_func(...)
    @ YDRequest.php:368 -- YDRequest->_processAction(...)
    @ YDF2_init.php:699 -- YDRequest->process()
    @ YDF2_process.php:40 -- YDExecutor->execute()
    @ YDF2_init.php:230 -- include_once(...)
    @ category.php:70 -- YDInclude(...)
SQL Statement:
SELECT id,
                       title
                 
FROM ko_objects_categories
                
WHERE language_id =
ORDER BY title

Fatal error: [1064] You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'ORDER BY title' at line 4 in /kunden/172752_9043/app/lib/ydf/YDClasses/YDUtil.php on line 409