Ensure you are copying the entire string and that it contains a dot ( . ). If it still fails, try clearing your browser cookies and logging in again.
Several indie modders have created "Unlock All Hidden Objects" mods that specifically tag the Remid Cookie. The most famous is a now-deleted mod called “Baking the Forbidden Dough” which turned the cookie into a functional item that gave a Sim +500 Focus (broken) and a moodlet called "The Taste of Beta Code." the sims 4 remid cookie
While the cookie itself is just a login token, sharing it with third-party tools or websites can be a security risk as it grants access to your EA account session. Common Issues & Fixes Ensure you are copying the entire string and