Magic: The Gathering Arena (MTG Arena) is one of the popular free-to-play digital collectible card video games that has been developed and published by Wizards of the Coast. It’s available for Android, Mac, iOS, and Windows platforms where mostly the PC players are unfortunate enough to experience multiple issues whatsoever. While some players are having the MTG Arena Asset Error Detected Issue after the recent Streets of New Capenna (SNC) update.
Now, if you’re also facing the same issue for a while, and want to fix it manually without waiting further then you’re in the right place. Here we’ve shared with you a couple of possible workarounds that should gonna help you a lot. Though plenty of MTG Arena players are facing multiple issues that basically prevent them from getting into the game properly, the specific “Asset error detected” message is bothering players on both iOS and PC versions.
Also Read

Fix: MTG Arena Asset Error Detected Issue
According to multiple reports online, the Magic: The Gathering Arena (MTG Arena) game ‘Asset error detected: Arena will relaunch to verify asset contents’ error message typically appears to the players every time they try launching the game. It becomes annoying and one of the widespread issues which is a big concern. Luckily, there are a couple of possible workarounds mentioned below after some research that can most probably resolve it until the patch arrives.
Now, without wasting any more time, let’s jump into the guide below. Do keep in mind that the particular guide may not come in handy to everyone in some scenarios. If that happens then you’ll have to wait for the official patch update to arrive by the developers. There is nothing you can do at your end.
Hello, I recognize that this thread is old, but since I did not find a working solution online, I will share what worked for me on Mac OS Ventura:
Follow the steps above, but if you cannot find the 7gb com.wizards.mtga folder, try using DiskInventoryX or another disk scan program to find all files. I could not find it through Spotlight, or Finder even with hidden files showing. It is exactly where it is described above, but it is not visible for some reason.
I found it, deleted it, reinstalled through Epic Games, and it initiated downloading the required files.
As I was typing this up, I also found it by:
In the Finder, hold down the Option key when using the Go menu. Library will appear below the current user’s home directory. <—Make sure to click on your username. Note: After you open the Library folder, you can drag the Library icon from the top of that window to the Dock, sidebar, or toolbar to make it readily accessible"