phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('9c5d1f325202ad40da3bdb394fa8f8e3', -1, 1715092512, 1715092512, '127689f3', 2, 0, 0)

Line : 189
File : sessions.php