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 ('7fa25e28f1f90b8e469ca0a7d84d2ca6', -1, 1715114021, 1715114021, '039173c3', -9, 0, 0)

Line : 189
File : sessions.php