Resolved! X-CUBE-NFC6 not a valid X-CUBE-Expansion and missing files
I downloaded the X-CUBE-NFC6 expansion (en.X-CUBE-NFC6.zip) to include it as an X-CUBE-Expansion within STM32CubeIDE. This is not possible, as STM32CubeIDE (1.6.1) reports that it is apparently not an actual X-CUBE-Expansion package. Also manually ex...