Please get in touch with us at any of the other support channels – https://helpx.adobe.com/support.html . Since this is not a generic issue that we can reproduce at our end, we will need someone to look into your machine to figure out what is going on here.
An error occurred while saving the commentesealpha commented
I'm having the same issue. It's very frustrating. I usually just ungroup the objects and then sample the color I want with the eyedropper. Then regroup. Its annoying that just trying to sample a color that USED to work in one step now takes three.