That's what I was afraid of. You are a Lightroom 6 user, who ’upgraded’ your copy to something that looks like Lightroom Classic, but isn't. This could have happened earlier, but only now it leads to real problems. This is a bug, because you should not have been able to do this. Lightroom Classic is only available as subscription, not as perpetual license. You'll have to uninstall Lightroom, and then reinstall it from this page: Download Photoshop Lightroom You'll also find an updater to update it to 6.14 after that and that's it. There will not be any more updates for Lightroom 6, so even if there seems to be an update, ignore it. Or subscribe to the real Lightroom Classic in the Photogrsphy Plan, of course.
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