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 ('5cc9e393c756b82208f1b293a8f67c97', -1, 1547753697, 1547753697, '36d1ca7b', -7, 0, 0)

Line : 187
File : sessions.php