eror in opening nut files

Hi I downloaded release Smash forge but when I tried to open a nut file from totono - you and me and her it gives me black screen this also happen if i want to create a nut file
Also when I tried to move mip level it shows me unhandled exeption error.

Start by reproducing the black screen when opening or creating a .nut file and the unhandled exception when moving a mip level, using the attached screenshots as reference. Done means both operations work without a black screen or unhandled exception; the issue does not name source files or tests to inspect.

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