Resolved! B-L4S5I-IOT01_2_Images_SECoreBin,B-L4S5I-IOT01_2_Images_SBSFU - Package has missing file which is causing the build issues.
Error: file not found: ../../../2_Images_SECoreBin/STM32CubeIDE/B-L4S5I-IOT01_2_Images_SECoreBin/Debug/SECoreBin.bin