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 ('0cf7f853eb9cafa33f2ffefb18635dcb', -1, 1714397621, 1714397621, '03902394', -11, 0)

Line : 158
File : sessions.php