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 ('9007875f77cc0dc21104b5f68b671d8e', -1, 1715111777, 1715111777, '0391bf16', 3, 0, 0)

Line : 189
File : sessions.php