Sporadic Error With No Apparent Reason On Pavlovia

URL of experiment: Pavlovia

Description of the problem: We have a test running with many participants (n = +4500) and will continue to run for a while. Most of the time experiment runs properly. However, we get sporadic errors that we cannot reproduce and this is about the resources of the experiment.

Error is specifically (see attached): unable to download resource: …
Screenshot 2023-03-25 at 12.26.15 AM

This is an error that appears to be independent of the resource itself. Could this be related to availability of Pavlovia servers or connection quality of participants? If not, it would be great to know what causes this so that we can apply necessary fixes to the code.

Thanks in advance.