I just got a stm32L475 Iot Kit.And after compilation, I got this error .st-flash 1.7.0-23-ga9adf9c2021-05-21T22:17:24 INFO common.c: L4xx: 96 KiB SRAM, 1024 KiB flash in at least 2 KiB pages.open(./BUILD/DISCO_L475VG_IOT01A/GCC_ARM/thingsboard-l475vg...