title: Eclipse show no error in files but in folder
body: <p>I got this error when code my Android app:</p>
  
  <p><img src="https://i.stack.imgur.com/5CJLR.jpg" alt="enter image description here"></p>
  
  <p>I do nothing to this strings.xml file.</p>
  
  <p>Can anyone fix this error?</p>
  
  <p>I do refresh and clean but nothing change.</p>
  
  <p>Thanks.</p>