Which version of Lightroom are you running?
Nikon D810 requires Camera Raw 8.6 (or later) or Lightroom 5.6 (or later)
Sony RX 100 II requires Camera Raw 8.2 (or later) or Lightroom 5.2 (or later)
Photoshop CS6 is compatible with Camera Raw 8.7.1. Update via Help > Updates in CS6.
Or install manually via:
I have lightroom 5.7 and camera raw 8.7 I try to load pictures from either the nikon D 810 or the Sony RX 100M2 and the files on the camera show in the box but when I try to upload them into Lightroom the message comes back that no files have been selected. Have any suggestions?
Please give us the exact word-for-word verbatim error message.
Since you talk about "upload" and "load" and "download", please clarify, are you referring to Import, or something else?