Software questions regarding XC112

Could not write to gpio export: Device or resource busy
pi@raspberrypi:~/rpi_xc112 $ ./out/example_detector_distance_rpi_xc112_r2b_xr112_r2b_a111_r2c acc_board_init: Board data from EEPROM: HW: XC112, HW rev: R...
Tue, 22 Sep, 2020 at 9:46 AM
Sensor 1 does not communicate properly, is it connected?
Error message: Resolve by: This error most likely happens because the FFC is not correctly connected. Make sure the FFC is properly attached. See ...
Thu, 30 Jun, 2022 at 1:33 PM