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 ('0e59c03ec3a955532b3b3240c1c72268', -1, 1713907029, 1713907029, '0390549b', 0, 0, 0)

Line : 187
File : sessions.php