I suspect it's the beta that creates this problem, please
how to uninstall the beta steam and reinstall the stable version?
I wanted to redo my Brest cultivation test file, and it is no longer visible. and after 2 days of research on forums I read that Vogel69 in 2018 had the same problem 'cultivation invisible' and that while everything seemed consistent. the solution was not indicated.
Here my file xxx.spc