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 ('9d24e1f0674ef5b01361b8f47d379102', -1, 1749134236, 1749134236, 'd849d8bd', -9, 0, 0)

Line : 190
File : sessions.php