I have my LR CC catalogue on an external drive and don't see where I need to install the ColorChecker Passport plugin
[moved from Installing, Updating, & Subscribing to Acrobat to Photoshop Lightroom]
Please refer the below troubleshooting guide.
Installing the ColorChecker Passport Software
Manually Installing ColorChecker Passport Plug-in for Lightroom - X-Rite Photo Blog
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