phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './dostscho_mysql/phpbb_sessions' is marked as crashed and should be repaired

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('f64a9b67e303d7eb4a2a1cf21b202751', -1, 1531798859, 1531798859, '36c66fb9', -4, 0, 0)

Line : 187
File : sessions.php