The .bcs file is here.Have never seen a 'particular' LUT fail to load - they all load, but a bad one cause causes bad images...
Do a 'file/new' (which is real LUT but with Unity data) and try the different 1D/3D/1D+3D Upload options in turn...
EDIT - maybe a file limit here.
The pic shows OK loading....I'll try what you have just suggested....
The NULL cube should be DE-selected when uploading the actual LUT?
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