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 ('52b82883ab6bcad9a18e7713b7b0a8d6', -1, 1537473565, 1537473565, '36506099', 3, 0, 0)

Line : 187
File : sessions.php