If your Disney Plus code is invalid, there could be several reasons. First, ensure you entered the code correctly at disneyplus.com/begin. Typos or expired codes can cause errors. Also, check if the code has already been used or is region-restricted. If you’re using a VPN, disable it and try again. Poor internet connectivity or an outdated app may also lead to issues. Restart your device and try a different browser if the problem persists. If none of these solutions work, contact Disney Plus support for further assistance in resolving the invalid code error.