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 ('5c5c00f14e4a4a02c0b9ab2833d7d4a5', -1, 1715065828, 1715065828, '0d3b52a7', -11, 0, 0)

Line : 189
File : sessions.php