You are trying to load a certificate to the card, but Windows returns with a "Read Only" error.
To write to a Card (for example to load a certificate or generate keys) you need to install the PIVKey Minidriver. This can be done using the PIVKey Admin Installer, or the PIVKey User installer. You will get the "Read Only" error if you have not installed the Minidriver, or if there is a problem with the installation.
For more information see the following articles: