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 ('931b05fd5de11544f5c8147702b3d0e6', -1, 1713505329, 1713505329, '12bf05ef', -11, 0, 0)

Line : 187
File : sessions.php