phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 144 Table './compheaven/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, session_admin) VALUES ('f97755de1b050ab65ea64061adbc78c1', -1, 1529452568, 1529452568, '36519ec3', -4, 0, 0)

Line : 187
File : sessions.php