phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 144 Table './foro_fida/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 ('ebdede621a9224f08b4a62c9f9914287', -1, 1540206330, 1540206330, '36c637a7', -9, 0, 0)

Line : 187
File : sessions.php