title: apex_util.get_blob was not found on this server
body: <p>I am trying to develop an interactive report in which I am using blob column to download the blob file (that could be jpeg or pdf). I created the download field on the blob column but, when I clicked on it, it gives an error as mentioned below.<br>
  "<strong>The requested URL /apex/apex_util.get_blob was not found on this server</strong>"</p>
  
  <p>Note: I am using oracle apex 5.1.2.</p>
  
  <p>Can anybody please help me to resolve this error.</p>