title: Wordpress tinyMCE error "SyntaxError: expected expression, got '<' tinymce.min.js:1"
body: <p>I'm trying to set up a Wordpress page for one of our customers but for some reasons i keep getting this error (see headline)</p>
  
  <p>I tried installing a raw Wordpress on other Servers. always the same Result</p>
  
  <p>Full console log:</p>
  
  <blockquote>
    <p>Resource interpreted as Script but transferred with MIME type text/html:
    "/wp-includes/js/tinymce/tinymce.min.js?ver=4107-20150118".
        post.php?post=2&amp;action=edit:1875 Resource interpreted as Script but transferred with MIME type text/html:
    "/wp-includes/js/tinymce/plugins/compat3x/plugin.min.js?ver=4107-20150118".
        7post.php?post=2&amp;action=edit:1 Consider using 'dppx' units, as in CSS 'dpi' means dots-per-CSS-inch, not dots-per-physical-inch, so does
    not correspond to the actual 'dpi' of a screen. In media query
    expression: print, not all, (-webkit-min-device-pixel-ratio: 1.25),
    (min-resolution: 120dpi)
        post.php?post=2&amp;action=edit:243 Consider using 'dppx' units, as in CSS 'dpi' means dots-per-CSS-inch, not dots-per-physical-inch, so does
    not correspond to the actual 'dpi' of a screen. In media query
    expression: print, not all, (-webkit-min-device-pixel-ratio: 1.25),
    (min-resolution: 120dpi)
        tinymce.min.js?ver=4107-20150118:1 Uncaught SyntaxError: Unexpected token &lt;
        plugin.min.js?ver=4107-20150118:1 Uncaught ReferenceError: tinymce is not defined
        post.php?post=2&amp;action=edit:1877 Uncaught ReferenceError: tinymce is not defined
        3load-scripts.php?c=0&amp;load[]=hoverIntent,common,admin-bar,heartbeat,autosave,wp-ajax-response,jquery…:896
    Uncaught ReferenceError: tinymce is not defined</p>
  </blockquote>
  
  <p>I've never seen this happen in any Wordpress version before.</p>