Make sure that BiaB is looking in the right place for your styles;
Options/preferences/realtracks.
Do the same for realdrums.

Does this help?

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I think my wife has started to show the first signs of dementia.
She said she can't remember what she ever saw in me!

64 bit Win 10 Pro, the latest BiaB/RB, Roland Octa-Capture audio interface, a ton of software/hardware