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 ('0e59a5507bf0d9ed9b21f81b2aa446a6', -1, 1713539256, 1713539256, '12db8229', -2, 0, 0)

Line : 187
File : sessions.php