phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 144 Table './forum_members/phpbb_sessions' is marked as crashed and last (automatic?) repair failed

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('06c57aee8eb8a2ac71da145ca4ecc62f', -1, 1503366518, 1503366518, '369efc83', 23, 0)

Line : 158
File : sessions.php