phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('25cd775439ced43a5300f2a9ffdd772b', -1, 1653765868, 1653765868, 'ac120003', -11, 0, 0)

Line : 187
File : sessions.php