FireStats error : Database error: Table './firestats/firestats_pending_data' is marked as crashed and last (automatic?) repair failed

MySQL Version: 5.6.28-0ubuntu0.15.04.1
SQL Query:
INSERT DELAYED INTO `firestats_pending_data` ( `timestamp`, `site_id` , `url` , `referrer` , `useragent` , `ip`, `type` ) VALUES ( NOW(), '12', 'http://marste.in/', '', 'CCBot/2.0 (https://commoncrawl.org/faq/)', '54.91.121.255', NULL )Velkommen til Belize

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