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 ('050f876cf83ede662c84942ca0ddda70', -1, 1714438448, 1714438448, '0390fadf', 7, 0)

Line : 158
File : sessions.php