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 ('db8086ad562e9618d8b2c8caac75c0e9', -1, 1544781551, 1544781551, '36a32a9a', 20, 0, 0)

Line : 187
File : sessions.php