Mario is correct; your alternatives are that the song is based in 4/4 or 3/4. However, BIAB has styles that subdivide those two time signatures into various emulations. Have you tried selecting a 6/8 style?
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BIAB 2021 Win Audiophile & 2020 Mac UltraPak. Software: Studio One 5 Pro, Adobe Audition CC, Notion 6; Win 10 64 Pro. Hardware: custom i7 16 Gb; Roland Integra-7, Presonus Studio 192, Presonus Faderport 8, Royer 121, Adam sub & monitors