Development tools for Zephyr on STM32Workbench 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.
I'm running sw4stm32 on Ubuntu 20.04 and I couldn't solve this problem as described above.
But I have solved it by installing libncurses5:i386 library: