I am using the MPlab extension for VScode it has been working for very basic lines, but it always gives me this warning during startup. How do I fix this?

I have tried building more advanced projects using the ftoa function from the stdio.h library and the build fails, most likely due to this, when it works perfectly on MPlab application.

the issue I believe stems from this line in my ".vscode/settings.json" file:

"mplab.clangd.path": "",