phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b2b7954ad67dbb6c5e6b25af57b9a14d', -1, 1752660463, 1752660463, 'd849d8fc', 0, 0, 0)

Line : 189
File : sessions.php