Allanah, I think you should definitely report this to Support.
The error message is so odd that it is probably part of a debug statement that is not supposed to occur, yet it has.
What version of RB?


BIAB & RB2026 Win.(Audiophile), Windows 10 Pro & Windows 11, Cakewalk Bandlab, Izotope Prod.Bundle, Roland RD-1000, Synthogy Ivory, Session Keys Grand S & Electric R, Kontakt, Focusrite 18i20, KetronSD2, NS40M, Pioneer Active Monitors.