Solved
You need to pay attention to what it's telling you in the 'Build Output' window:
Note that you can copy & paste the text from that window - which is often more useful than a screenshot.
So your Flash Algorithm is not correctly configured; this is part of the Debug configuration in the Project options - though it should have been automatically set by the target chip selection
A complex system that works is invariably found to have evolved from a simple system that worked.A complex system designed from scratch never works and cannot be patched up to make it work.