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 ('db5cd8d72e93e61b33464c1897ab6e41', -1, 1716087336, 1716087336, '03108aa4', 15, 0)

Line : 158
File : sessions.php