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 ('12a8686b28192bbba3c0dc7f1b103915', -1, 1539641750, 1539641750, '365ca077', -4, 0, 0)

Line : 187
File : sessions.php