phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './phpbb/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 ('9ca826270c84f9a11a40b2e50e365142', -1, 1524442057, 1524442057, '36a16c3a', -1, 0, 0)

Line : 187
File : sessions.php