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 ('a542a43f9c73d24c6a81a7c1d78c8e38', -1, 1715125863, 1715125863, '03864e6a', -10, 0, 0)

Line : 189
File : sessions.php