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 ('f82f75c2965217d6bc7fd593e96a6b16', -1, 1733397795, 1733397795, 'a28000000', -1, 0, 0)

Line : 189
File : sessions.php