Failed to load resource: the server responded with a status of 404 ()

Ok, so I finally got it the experiment to work on pavlovia. The experiment runs smoothly(visually and in terms of order of presentation) but there are instances where we don’t hear the audio clip. When I do inspect, it shows me that some files weren’t dowloaded properly. Ex.
image
The troubling thing is that this is variable. It’s never the same excerpts nor the same number of excerpts. The only consistent thing about it is that the more you try starting the experiment, the more excerpts are downloaded correctly. I’ve checked again that all the resources are in the html folder, so that’s probably not the problem. I’ve also tried running the experiment in the incognito tab (link to thread with this issue: File_Load_Error). Do you have any others ideas on things I can try to solve this problem?