If you are seeing "0xBE" as a error code ( 0x000000BE ), it indicates an Attempted Write to Readonly Memory . This is typically caused by: Faulty or incompatible hardware drivers. Corrupt system services or unstable firmware/BIOS. Overclocking settings.
Search for the specific version of that explicitly supports your controller version. Solid State Systems Flash Tool 0xbe
In plain English: The tool erased a block, wrote new data, but when it read back the verification header, the address pointer had drifted or the block didn’t hold the program state. If you are seeing "0xBE" as a error