phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 144 Table './smallboa_phpb1/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 ('258b8e8a8b5261cea91c1d6d91ab6554', -1, 1544516149, 1544516149, '22e41e45', -4, 0, 0)

Line : 187
File : sessions.php