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 ('df87734820f323ad5d239fd2f3ae47d5', -1, 1717250856, 1717250856, '12745a0b', -10, 0, 0)

Line : 187
File : sessions.php