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 ('0c9cb1e0d2bc19508b032d89e9ac1077', -1, 1714746275, 1714746275, '03907fe8', 13, 0)

Line : 158
File : sessions.php