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 ('51a3904b4dd5bcf55f5406ea6f0c00e3', -1, 1717831119, 1717831119, '12de6f86', 1, 0, 0)

Line : 187
File : sessions.php