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 ('e3038bcc1d7f8b2e393b36791c0e83d8', -1, 1438561485, 1438561485, 'adf5363e', -9, 0)

Line : 158
File : sessions.php