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 ('6119f641aa6a0f61381eb264991773e0', -1, 1544781517, 1544781517, '36a32a9a', 156, 0, 0)

Line : 187
File : sessions.php