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 ('31f54ed563a028e9945fa5bfb26cd364', -1, 1715311044, 1715311044, '340e21af', -7, 0, 0)

Line : 189
File : sessions.php