You have a midi channel mismatch. You have Kontakt monitoring Channel 1 but BIAB piano is on Channel 3.

Bass 2
Piano 3
Melody 4
Thru 5
Guitar 6
Strings 7
Soloist 8

Quote:
In Kontakt, there is no MIDI input option showing in the MIDI settings.
It is there in your picture, MidiCh [A] 1


BIAB – 2025, Reaper (current), i7-12700F Processor, 32GB DDR4-3200MHz RAM, 1TB WD Black NVMe SSD, 2TB WDC Blue SSD, 1TB WD Blue, 2 TB SK NVMe, 6 TB External, Motu Audio Express 6x6