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I have an annoying error that's been popping up, and I don't know where it is coming from. The error is:
Error 31 Unable to copy file "app.config" to "bin\Debug\Framework.Tests.dll.config". Could not find file 'app.config'. Framework.Tests
The problem is, I don't have a bin\Debug folder anywhere, and it does not say from where it is trying to copy app.config. Double clicking on the error doesn't bring me to any code where it is trying to copy, so that doesn't help me either. So I don't know where I should make the app.config.
How can I find this out?
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Besides, you can use the static function getDerivedStateFromError(error) to update the state and use the render() method to display a fallback UI if an error occurs. An example error boundary component is shown below. After that, you only need to wrap the required component(s) inside the error boundary component.
There are two main ways in which we can use them: By writing the debugger statement in our source code. By clicking on a specific line of the code in the Chrome web browser (or Firefox, Edge, etc.) Developer Tools.
You have added a reference to a file called app.config or Visual Studio did this for you. The file does not exist on the disk, presumably because after adding the reference you later deleted the file.
Search for the missing file in your Solution Explorer, and either delete the reference or create the file.
It is most likely in the root folder of one of your projects, and should have a yellow triangle warning icon showing that the file is missing.
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