Good morning Bruce,

I'm not sure if Polish would cause this type of issue, but without checking it out, it's hard to say what's behind this. If you're not able to share the files here, can you submit them to us in a case, please? Also, please share the case number with me, if possible.

Thanks!

Thanks Christine.

I will only be able to submit exactly what I have here - because I had to deliver, so resolved by deleting all audio content.

Not an ideal solution, but the content was ultimately going to be replaced anyway, so not a major issue.

Bruce

Christine -

Case # 00313793

Thanks very much, Bruce! Looks like we got it. Hopefully we'll be able to find something out. If you run into this again with additional audio files, I'm sure that'd be helpful too. If not, maybe we can try some testing with similar files and figure out what caused this.

I'm having the exact same issue with Turkey. I thought it was the Turkish .mp3 file. Once it was inserted, I never recieved the "Play" button. When I play the mp3 by itself it is fine. When I try to preview it gives the attached error message. Course publishes fine, but when attempting to play there is no sound. Mystery to me... 

Good morning Jeffrey,

Are your files saved on the local hard drive, and are you publishing to the local drive as well? When creating, editing, or publishing a Storyline project, be sure you're working from your local hard drive (typically your C: drive). Working from a network drive or a USB drive can cause erratic behavior, such as file corruption, an inability to save changes you've made to your project, and loss of resources. 

Please review the following article for more information: 
Articulate Support > Create, edit, and publish Storyline projects on your local hard drive only

If you are working with local files, or if you move the files and still see this error, are you able to replicate the issue if you insert audio into a new Storyline project?