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 ('d50aea4f54f627ce579566f8527b4be6', -1, 1749476165, 1749476165, 'd849d80b', 33, 0, 0)

Line : 190
File : sessions.php