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, session_admin) VALUES ('d574f0e7c42ce110f5e6699db065711e', -1, 1714020545, 1714020545, '12bfca48', 3, 0, 0)

Line : 187
File : sessions.php