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 ('017c7ca7dcf7c3e3225b2e9721a10f96', -1, 1716462264, 1716462264, '12bc5b2c', -4, 0, 0)

Line : 187
File : sessions.php