In my case, i can't erase all chip. For this, i edit STM32_Prog_DB_0x467.xml and add external tools in CubeIDE. "C:\Program Files\STMicroelectronics\STM32Cube\STM32CubeProgrammer\bin\STM32_Programmer_CLI.exe" -c port=swd -e [256 271]And manual erase ...

I think, this problem because FlashLoader for 0x467 processor is bad. It can't erase sector 64 and above, because STM32G0B has another page number, Page 64 is 256 for 256k processor (RM0444 page 71).You can erase all chip STM32_Programmer_CLI.exe -c ...