VS code containes emphasized items but no error

I'm writing a React project in VS code. I met this problem in VS code. In my project, this folder shows Contains emphasized items and I know it means there is an error in my files. But in the picture:

,

I have checked all files but no error was found. So this makes me feel confused.

I have searched this problem on google and found a similar GitHub issue. https://github.com/Microsoft/vscode/issues/54960

Hope someone can help me.

Solution 1:

Use the command, CTRL+SHIFT+P on windows or COMMAND+SHIFT+P on mac, then search "Developer: reload window", click on it, your vs will reload and enjoy your stress-free coding.

Solution 2:

Committing once with git can be resolved.

Solution 3:

I can solve the problem react-native start --reset-cache and by reloading VS with the command Ctrl + shift + p and searching Developer: Reload Window