phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './myforum/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 ('646e1a36a2edcb68a02fd9c66b426ecf', -1, 1773445466, 1773445466, 'd849d837', 10, 0, 0)

Line : 187
File : sessions.php