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 ('00f8cc6a02327f41585fd8a04c07c315', -1, 1713570649, 1713570649, '03902394', 7, 0, 0)

Line : 187
File : sessions.php