phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './chronusforum/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 ('d5b7ff732a006180647199c7a33f2bb8', -1, 1547752055, 1547752055, '36d1ca7b', -10, 0, 0)

Line : 187
File : sessions.php