phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'BP_sessions.session_user_id'

INSERT INTO BP_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('49499ed333f76921816469cf4a0c8945', -1, 1763374377, 1763374377, 'd849d805', 0, 0, 0)

Line : 193
File : sessions.php