title: What does "Can't call method "get" on an undefined value at " mean?
body: <p>I am executing a Perl file. I am getting this error. Can anybody please suggest the solution. I am getting this kind of error on many pages like:</p>
  
  <blockquote>
    <p>"Can't call method "goto" on an undefined value at " ..</p>
  </blockquote>
  
  <p>Means error is same just by replacing  <code>get</code> method name.  </p>
  
  <p>Please help. </p>