Can't load/debug firmware with STM32CubeIDE on STM32MP157C-DK2 board
So I managed to figure out what was happening and here is the answer : https://community.st.com/s/question/0D53W00000G1PG8SAN/update-stm32cubeide-version-142-stopped-sending-firmware-to-mpu
There is a bug in the version dunfell 5.4 of OpenST