EPERM: operation not permitted, lstat when running ng build

Question

I\'m getting an ERROR when trying to run ng build on my angular 4 app.

EPERM: operation not permitted, lstat \'\'
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Answer 1

I had the same problem.

As @Mauricio De La Quintana said, the problem is permission.

In my case (Windows environment), I solved the problem by removing the read-only property from the Repos folder and adding write permission to the Everyone user.