phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './why9work_phpbb1/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) VALUES ('583c4790c1c4c7b3af8b46c0aa5554e9', -1, 1462491863, 1462491863, 'adf53629', 10, 0)

Line : 158
File : sessions.php