« MODx Parse Error »

MODx encountered the following error while attempting to parse the requested resource:
« Execution of a query to the database failed - Table './ospeace_jankaprojectcom/modx_site_content' is marked as crashed and should be repaired »
      SQL: SELECT sc.* FROM `ospeace_jankaprojectcom`.modx_site_content sc LEFT JOIN `ospeace_jankaprojectcom`.modx_document_groups dg ON dg.document = sc.id WHERE sc.id = '26' AND (sc.privateweb=0) LIMIT 1;
      [Copy SQL to ClipBoard]
Parser timing
  MySQL: 0.0031 s s(0 Requests)
  PHP: 0.0206 s s 
  Total: 0.0237 s s