phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('fbb59f45936d85afa1613e76c9cf154e', -1, 1717415517, 1717415517, '12de1970', 0, 0, 0)

Line : 187
File : sessions.php