Encapsulation information link
And the normal should be a gray list of specific types of devices under the package list, the original cycle IV device, one day to find the target file.
Now want to check the cyclone 10 device, there is no information required below;Check the device information for the cycle IV without the original information.The blue font jumps out of the desired information.
Can help to deal with this issue, is your server or do not provide device package information, please certainly deal with the link without content, too late development.
Check the device package information in below link.
https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/hb/cyclone-10/c10gx-51001.p... - Intel Cyclone 10 GX (Page 6)
https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/hb/cyclone-10/c10lp-51001.p... - Intel Cyclone 10 LP (Page 5)
https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/hb/cyclone-iv/cyiv-51001.pd... - Intel Cyclone IV GX & Cyclone IV E (Page 12)
Hope this may help you.