The Witcher 3 is one of the best games ever made, but what makes it even more special is its modding community.
If you’re looking to alter the entire gameplay experience, modding The Witcher 3 is the best way to do it.
Unfortunately, modding doesn’t always go as smoothly as we would like. Even when installing some of the most popular and widely used mods, users still quite often run into bugs, errors, and crashes.
In this guide, we’ll be helping you fix the Witcher 3 Debug Console Mod Error: 0 != 1 H, so without further ado, let’s get right into it.
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The Problem Explained
When it comes to the Witcher 3 Pattern mismatch: 0 != 1 H error, it’s very important to understand what causes it, so you don’t waste a lot of time trying to uninstall many gigabytes of mods, only to find out it was a version compatibility issue after all.
The error, as shown in the image below, prevents users from launching the game.
However, it has been encountered many times, and the Witcher 3 community found the culprit.
The issue is caused by a very popular mod that users install so they can enable the debug console, but the problem is not in the mod itself but is instead a game version compatibility problem.
The sections below contain all the answers and steps to solve the issue, so let’s take a look at what you should know.
Fix 1: Ensure There Aren’t Version Compatibility Issues
One of the main issues known amongst members of the Witcher 3 modding community is the game version incompatibility that causes conflicts when installing specific mods.
Some users have the “regular” version of The Witcher 3 installed, while others have the Game of The Year version, also known as GOTY.
Now, what causes the problem is some mods not working with one of those two versions.
So, depending on the mod you installed and the current version of The Witcher 3 game on your PC, there may or may not be problems when trying to mod it.
As the first fix, we recommend checking whether the mod you’re installing supports your game version. If it does, yet you’re still encountering the same problem, it could be that you’re using an outdated version of the mod.
If there was a recent update to the game, and this problem also occurred recently, after you updated the game, it could be that the mod doesn’t support the new files, and therefore you have to wait for the mod developer to push an update for it.
In case the mod developer is not quite active, and you believe there isn’t much of a chance for an update to arrive in the near future, unfortunately, the best bet would be to downgrade your game so that it works with your mod until it receives an update.
If the mod doesn’t support your game version, don’t worry, you won’t have to reinstall the entire game, or purchase the GOTY edition (or regular edition if you already have the GOTY one), as there is a solution for this too.
What the Community Patch does is makes your game version compatible with all non-GOTY mods and third-party files while still keeping all the important GOTY changes, fixes, and improvements. It’s like getting the best of both worlds, and we always recommend installing it to avoid compatibility issues when using script mods.
We also recommend reading the entire mod description page as it contains valuable information about the steps you should take when modding your game. You’ll learn a lot.
Also, if it’s your first time modding Witcher 3, or you’re willing to improve in that sphere, this complete guide to installing Witcher mods will guide you through the process and ensure you’ll never run into any problems when trying to install third-party files for your game.
Note: Sometimes the most painless way to fix such an issue with a Witcher 3 mod is to disable it until the developer releases an update. If it’s a popular mod in question this usually happens in a day or two.
Fix 2: Don’t Click “OK” In The Error Prompt Window
If you just want to play and aren’t very bothered by the error or the Debug Console Mod not working for you in-game, a quick “trick” you can do is not clicking “OK” during the Error Prompt Window. This fix was suggested by a Reddit user in this specific thread.
Some users reported that the game started after a few seconds of not pressing the “OK” button, while others recommended clicking the “X” exit window button as it made the game launch instantly without any further issues.
However, this may not work for everyone, and if you are looking to play while using the Debug Console, this is not the optimal fix.
Luckily, there are other things to try as well.
Fix 3: Delete The “Plugins” Folder
Apparently, deleting the “plugins” folder which is by default located in The Witcher 3 -> bin -> x64 folder will get rid of the “0 1= 1 H pattern missmatch error”, and you will be able to launch your game once again without further issues.
We personally haven’t tested this method, but it was recommended by a user in the Steam community forums and confirmed as working by some users who were facing the same problem.
We recommend trying it as it helped some users and it could work for you too.
With that said, you now know the main reasons why the Witcher 3 Debug Console Pattern Missmatch error shows up on your screen when trying to launch the game, as well as some efficient methods that should hopefully help you solve it.
If you end up “breaking” your game by deleting the wrong files, you can always run the repair utility, or if you’re using the Steam client, the “verify the integrity of game cache” tool.