Link the game. Provide your hardware/software specs. Give us some details on your software environment and what you're actually trying to do.
If this is happening with EVERY game on itchio then the issue is with your system setup. You'd wanna consult an IRL techie about that.
That log isn't really useful and only looks like part of the logs. Might wanna post the full logs to somewhere like Pastebin (as an unlisted nonpublic link) and then only provide itchio support techs with the link to that information.