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) VALUES ('7b273a9cc476d1e6d03eb0b7c4829bf9', -1, 1714665226, 1714665226, '12778348', 18, 0)

Line : 158
File : sessions.php