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 ('ac47809105a7792ecc4a90b11c4b855a', -1, 1717197870, 1717197870, '127445f4', 1, 0, 0)

Line : 187
File : sessions.php