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 ('4013a40aa3e14c2c9270be8e716016a3', -1, 1711727375, 1711727375, '12ce4c2d', -1, 0, 0)

Line : 187
File : sessions.php