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 ('a2971bccf813d8e38b7b15dd7495a215', -1, 1717257920, 1717257920, '12dc5898', 0, 0, 0)

Line : 187
File : sessions.php