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 ('7f0d1e6ab05c30ef1ade1879a59887e5', -1, 1544516144, 1544516144, '22e41e45', 19, 0, 0)

Line : 187
File : sessions.php