phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('233ec4b89bdb2135fef668a1c45f8828', -1, 1714540112, 1714540112, '12e02c6c', 20, 0)

Line : 158
File : sessions.php