If you want to proceed with the download and installation of CA Sysview 14.2 itself, the base component, you can use the following procedure to bypass the error.
Use the CA Suppport website to download the CA Sysview pax file into your USS filesystem on the mainframe. The base install pax file is present in the download center under the CA Sysview product.
CA SYSVIEW 14.2 MEDIA
To download the pax file into your USS directory you can use the manual procedures, or batch FTP download. Both procedures are described in this document:
When downloaded you can install the CA Sysview 14.2 pax file via CSM using the action 'Install External Package' at the Products tab under Actions.