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 ('b49f7e5af499f4efa9b58210fc23e463', -1, 1714699741, 1714699741, '12dbbdf7', 7, 0)

Line : 158
File : sessions.php