Hi,
There's an issue with support for the XIAO nRF52840 Sense PLUS version of the board.
I've found a work around for now (Modifiy all target define symbols in the .cpp : TARGET_SEEED_XIAO_NRF52840_SENSE -> TARGET_SEEED_XIAO_NRF52840_SENSE_PLUS).
Thank you for your time.