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 ('b4d7137044b26d8f8ef76d9257eb6378', -1, 1527412046, 1527412046, '36a6f50a', 23, 0, 0)

Line : 187
File : sessions.php