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 ('22f0ff7b944b4b6bff85e836bd178f1a', -1, 1714148722, 1714148722, '03919cfa', -1, 0, 0)

Line : 187
File : sessions.php