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 ('9407c1c204118850515bc28a62f88a49', -1, 1749631394, 1749631394, 'd849d88e', 30, 0, 0)

Line : 190
File : sessions.php