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 ('de18e56d00b9c91a7d110a36e23f15cd', -1, 1715092296, 1715092296, '0390248d', 0, 0, 0)

Line : 189
File : sessions.php