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 ('0bd4e1d0a3e8fee0ef20f3f72216bc90', -1, 1714032024, 1714032024, '03918fef', 2, 0, 0)

Line : 187
File : sessions.php