Server error

[Reginald Smith]

I get a "server error , try again later"  message when trying to upload a sound file to Player component..did not do this before...any suggestions?

[Gareth Haylings]

I know google have made a few changes to the way appspots works later which may be causing the issue. 

I just uploaded a few file and it seems to work but this may be because it is an appspot I created form my instant of App Inventor. 

Can you please post the aia file for the project you are working on and the files you are trying to upload so I can try to find out what is going wrong.