You can get an error that says “module was compiled with an incompatible version of kotlin” or “Class ‘kotlin.Unit’ was compiled with an incompatible version of Kotlin” when you’re using the Flutter Android app. These errors occur during the compiling process. To fix this error in your Flutter app, see the solutions that we’ve provided below.
Why does this error happen?
If you are receiving this error, the following is the most likely reason why it is occurring:
- The gradle or kotlin version locking mechanism is broken.
- The current version is somewhat outdated and has not been upgraded
How to fix this error?
As a response to the error that was presented above, we have prepared several potential solutions. In order to find a solution to the problem as quickly as possible, you might seek advice from others and select the strategy that works best for you.
Solution 1
You are seeing this problem because you are utilizing a significantly older version of the Kotlin programming language.
Just change this at build.gradle.
from
To
The following is an example of what you build.gradle file might look like this:
Now, click on the following command:
Now restart your application.
This will fix the Flutter App’s problem message, “Module was compiled using an incompatible version of Kotlin.”
Solution 2
Make sure that the version of Kotlin that is installed in your IDE is the same as the version that is defined in the gradle.build file. You can replace the value in ext.kotlin version by navigating to File > Settings > Plugins and then checking the kotlin version in the IDE.
Solution 3
The third solution is to simply upgrade the version of Kotlin that you are working with from 1.3.61 to 1.5.10.
Final Words
We really hope that you liked reading our solution on to fix this error. Because of this information, we are certain that you will be able to resolve the issue with your “Module was compiled using an incompatible version of Kotlin.” message. You may rapidly fix the “The binary version of its metadata is 1.5.1, but the intended version is 1.1.15” bug by following these instructions.
If you still have difficulty solving this problem, you should head toward ITtutoria. ITtuoria is a website run by professionals where you can find a detailed solution to this problem. Almost, they have articles on many other errors like this.
Each article available on ITtutoria provides the learner with assistance in the development of their skills and strengthens their confidence in their capacity to address difficulties that manifest on your sites. Not only will it provide appropriate error handling, but it will also improve the system’s overall position. The first step toward achieving a secure system is to locate the error handlers currently in use and replace them with methods that are more secure.
