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 ('fb8018771d9006f6754ebfff7e08aa9b', -1, 1716767851, 1716767851, '1276a716', 3, 0, 0)

Line : 187
File : sessions.php