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 ('f33b9cf5d47fce672bc092e1d8895277', -1, 1714399117, 1714399117, '0387c3f9', -4, 0)

Line : 158
File : sessions.php