phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './kidnem998/phpbb_sessions' is marked as crashed and should be repaired

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('76642f9cce2ec3c60c6c6b6dcade3da5', -1, 1469736790, 1469736790, '36c464e0', -1, 0, 0)

Line : 187
File : sessions.php