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 ('e6e6d9c7aed28716a6d1aa0b8bc771fa', -1, 1464555496, 1464555496, 'adf5362b', 1, 0)

Line : 158
File : sessions.php