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 ('d5c3ec845a810dc6f24ba9a3c18e4e79', -1, 1534586862, 1534586862, '36c6c30b', -7, 0, 0)

Line : 187
File : sessions.php