csp error

const { expressCspHeader, INLINE, SELF } = require('express-csp-header');

app.use(
  expressCspHeader({
    directives: {
      'script-src': [
        SELF,
        INLINE,
        'https://cdn.ckeditor.com/ckeditor5/37.1.0/decoupled-document/ckeditor.js',
        'https://unpkg.com',
      ],
    },
  })
);