phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 144 Table './forumcapes/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 ('f9b37fa2e8b79ed1669c3a49a0b0b4f1', -1, 1544781914, 1544781914, '36a32a9a', 20, 0, 0)

Line : 187
File : sessions.php