Unable open two projects

MIT App Inventor Help
1

I've been unable to open two projects, while everything else is working fine. I tried exporting and re-importing them, but it still doesn't work.

2

tianfei.aia (450.9 KB)

3

因为你有两个文件文件名相同，只是大小写不同？

4

一个是一开始的，另一个是我尝试重新导入的，都打不开

5

即使删掉其中一个，另一个还是打不开

6

Try this one tianfei.aia (451.9 KB)

7

It's useful, thank you.