phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './db123504/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 ('20c75556e2a83c822c66a197b9e074dd', -1, 1516185138, 1516185138, '36a32713', 6, 0, 0)

Line : 187
File : sessions.php