Cannot find Kincony 868-A16 V3.1 board in PlatformIO board list - ESP32-S3 configuration help needed

PlatformIO IDE
1

I need help configuring PlatformIO for my Kincony 868-A16 V3.1 board (ESP32-S3 based). It’s not in the board list and I’m getting IRAM errors when using esp32-s3-devkitc-1 as a substitute

2

Please post the content of your platformio.ini and the full error log.
Use pre-formatted text to keep the readability.

3

[env:kincony_868_a16]

platform = espressif32

board = esp32-s3-devkitc-1

framework = espidf

monitor_speed = 115200

board_build.flash_mode = dio

upload_speed = 460800

I cant add full error log sorry, I think I fixed it, but console warns me about matching flash drive, and when I upload my sketch nothing happens