phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './forum/forum_sessions' is marked as crashed and should be repaired

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('abcee0b34015f1d9f6a73b1781102abe', -1, 1527434410, 1527434410, '1714f0c1', 40, 0, 0)

Line : 187
File : sessions.php