My Unity WEBGL build gets error when i upload Itch.io

Hi guys, I m trying to upload my game on itchio. I m getting an error. Here is the error and my build settings. I also tried my game on CrazyGames, its a platform that you can play browser games. And the game works perfectly on that platform.
I also tried compression format Gzip, Brotli and disabled, I tried all of them.

And this is the error on browser

And this is the second part of error, new users can only upload one media so i have to upload it on replies

You have a NullReferenceException. This is nothing special, you just need to figure out where it occurs and why.

Where: enable full stacktrace in Player Settings. Expand the entry in the log to see the stacktrace.
Why: that may require some logging. Typically, if it works in the editor but not in a build, some code works differently.

Some examples include:

  • awaited calls may await longer on the web whereas they may be instantaneous on desktop
  • platform specific conditionals cause logic to take different code paths
  • using the crazygames SDK may mean it’s not available / initializing when run on itch.io

Are you sure that it allows uploading of files? I know you can to put files up, but when the file is uploaded, are you sure it uploaded? was in the place you expected? could be moved to say a web area you access? Often web areas are not writable to to help prevent hijacking…

Ok thank you very much I solved it. At the beginning of the game some objects disappear and give a null exception but it still does not prevent the game because it destroys in a controlled manner. Naturally this does not open the game because it gives a null error as soon as the game is loaded.