« MODx Parse Error »

MODx encountered the following error while attempting to parse the requested resource:
« Execution of a query to the database failed - Table './db22659_modx_bff/modx_site_content' is marked as crashed and should be repaired »
      SQL: SELECT COUNT(DISTINCT sc.id) AS cnt FROM `db22659_modx_bff`.`modx_site_content` sc LEFT JOIN `db22659_modx_bff`.`modx_site_tmplvar_contentvalues` tvc ON sc.id=tvc.contentid LEFT JOIN `db22659_modx_bff`.`modx_custom_antecedents` ca ON sc.id=ca.contentid LEFT JOIN `db22659_modx_bff`.`modx_custom_content` cc ON cc.id=sc.id LEFT JOIN `db22659_modx_bff`.`modx_custom_classifications` cr ON cr.id=cc.classification LEFT JOIN `db22659_modx_bff`.`modx_custom_venues` cv ON cv.id=cc.venue LEFT JOIN `db22659_modx_bff`.`modx_custom_calendar` da ON sc.id=da.contentid WHERE ca.antecedent=1526 AND sc.published=1 AND sc.deleted=0 AND (template=8 OR template=25) AND sc.searchable=1
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Parser timing
  MySQL: 0.0134 s(0 Requests)
  PHP: 0.0633 s 
  Total: 0.0767 s