Summarizing the error:
- The MKRZERO USB disconnect popup (in Win11) NOT an error.
This phenomenon has deceived me, I thought it was part of a mistake. - Following the review (Debugging SAM-Based Arduino® Boards with Atmel-ICE) when i press the Start Debugging button, the following happens:
The yellow row marker does not appear, I can't step row-by-row with the Step Over button.
The same hardware (and debug) is working fine on PlatformIO. My Arduino project is big (more then 50 ino-s + libraries), I don't have time/mood to move the project...