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 ('f588142aed5d4d78cf7067b6e7b7788e', -1, 1527434051, 1527434051, '1714f0c1', 29, 0, 0)

Line : 187
File : sessions.php