0h - Flash Verify Error At

When an engineer sees this error, the first instinct is often to check the code. However, 80% of "Verify Error at 0h" cases are caused by physical hardware problems.

Perform a "Chip Erase" (which clears lock bits on many chips) before programming. Use your programmer’s "Disable Security" or "Clear Lock Bits" option. flash verify error at 0h