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MCUX 10.3.1 - How to fix not finding standard header files?

Question asked by David Rodgers on Apr 29, 2019
Latest reply on Apr 30, 2019 by David Rodgers

Odd thing that's happened that I haven't encountered before... I'm developing a new C project for a Kinetis K24, the project compiles, links, and debugs fine.  But the IDE has apparently lost track of where the standard header files are.  Example from one of my main header files:

IDE unable to locate standard header files

 

This then leads to all sorts of annoyance, especially when viewing code suggestions:

Unknown standard types because IDE can't find standard headers

 

Why can the IDE suddenly no longer find the standard header files?  Is there a simple way to investigate and fix this?  Thanks.

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