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 ('c35fe70c662d4f53c4280e76ba7804ea', -1, 1713573019, 1713573019, '038ec78a', -10, 0, 0)

Line : 187
File : sessions.php