All supported CA Performance Management releases
The website in question is not accessible via X-Frame/I-Frame. This is a decision made in the configuration of the target web site.
This content cannot be displayed in a frame.
To help protect the security of information you enter into this website, the publisher of this content does not allow it to be displayed in a frame.
The Microsoft IIS Web Server that sits in front of UCM controls the iFrame support and generates the error observed.
To resolve these ensure the IIS web server configuration allows display within in iFrame. If its configured to deny this it will cause this problem.
More details to configure this are found in the Microsoft IIS configuration documentation.
You can fully allow, or only allow display in iFrames for a particular site.
Searching "configure Microsoft IIS X-Frame-Options" in a web search will return a good deal of information about this configuration item.