New version 0.3i now works. Thanks!
https://www.amiga-news.de/en/news/AN-2025-02-00113-EN.html
But you should add the hint in your desciption, that slow RAM is required. I do not know exactly how much, but after setting it to 2 MB it did not have crashes or software failure any longer. Maybe you can tell how much at least is required.