Maybe the breakpoint was temporarily suppressed as you just hit it... Try to step further in your program before trying to reset it.
Bernard
System Workbench for STM32
Related content
Development tools for Zephyr on STM32
Workbench for Zephyr: VS Code extension to set up, build, flash and debug Zephyr applications on STM32.
Devicetree manager: browse, edit and visualize Zephyr devicetree, STM32CubeMX-like for Zephyr.