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 ('ef7f444c8459c9d0ec9b8f16cffefa93', -1, 1715072644, 1715072644, '1276e269', 4, 0, 0)

Line : 189
File : sessions.php