Considering save game issues, please check out this support article:
Welcome to CD PROJEKT RED Technical Support! Here you will find help regarding our games and services, as well as answers to frequently asked questions.
support.cdprojektred.com
If that doesn't help you can click on "contact us" to send a ticket to support. But if you do it's best to give them more information to reproduce the error.
In addition, you can also try verify/repair:
Welcome to CD PROJEKT RED Technical Support! Here you will find help regarding our games and services, as well as answers to frequently asked questions.
support.cdprojektred.com