phpBB by Przemo : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './markolf_www/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 ('724cf08b9ee389fc3fdef2ee42041f26', -1, 1422593255, 1422593255, '365cf256', 0, 0, 0)

Line : 448
File : sessions.php