phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO satshop_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b5f9895c5eb8bdf9e80f2701f61a5eb1', -1, 1752879485, 1752879485, 'd849d904', -11, 0, 0)

Line : 189
File : sessions.php