Premiere not linking media when transferring project files

I'm trying to transfer my premiere pro project to another user. I used the project manager to collect files and copy to new location. Then I zip the folder and send it to the other user. When they get it and open the premiere pro file it tells them audio files (aifc) are offline and need to be reconnected, but when he selects the files from the folder he gets an error message saying "Cannot Link Media. The selected file cannot be linekd because its type (audio) does not match the original file's type (video)." which makes no sense. 

Hitting the cancel button rather than trying to locate the media or open it offline results in the audio appearing fine with no issues in the project. Is there any way I can get premier to stop telling me the audio needs to be linked? I've tried converting (from aifc to wav) and replacing the audio files, making sure everything was linked and doing the above steps again and it still tells me it can't locate two aifc files, even when they've been deleted from the project.