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 ('e4522927ee9a7dc1f5cfd5f2d6e1e3c3', -1, 1544516216, 1544516216, '22e41e45', -4, 0, 0)

Line : 187
File : sessions.php