在Fab的材质和模型导入失败

当我在fab里下载材质或者其他模型的时候总是给我弹出这个窗口,然后材质实例就被替换成黑白色了,有没有人知道这个该怎么解决,感谢你的帮助

When I download materials or other models in Fab, this window always pops up, and then the material instances get replaced with black and white. Does anyone know how to fix this?Thanks

for your help.