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 ('08187cb46144921277704e6ded3db465', -1, 1747845467, 1747845467, '12df661e', 30, 0, 0)

Line : 190
File : sessions.php