O que significa erro 500?

[jlima]

Olá pra todos!
Surgiu este erro ao administrar os artigos do site.
O que isso significa? Não sei o que fazer.

500 - Ocorreu um erro
DB function failed with error number 126
Incorrect key file for table '/tmp/#sql_1e26_0.MYI'; try to repair it SQL=SELECT c.*, g.name AS groupname, cc.title AS name, u.name AS editor, f.content_id AS frontpage, s.title AS section_name, v.name AS author FROM jos_content AS c LEFT JOIN jos_categories AS cc ON cc.id = c.catid LEFT JOIN jos_sections AS s ON s.id = c.sectionid LEFT JOIN jos_groups AS g ON g.id = c.access LEFT JOIN jos_users AS u ON u.id = c.checked_out LEFT JOIN jos_users AS v ON v.id = c.created_by LEFT JOIN jos_content_frontpage AS f ON f.content_id = c.id WHERE c.state != -2 ORDER BY section_name , section_name, cc.title, c.ordering LIMIT 0, 20