Twitter image not showing

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HTML

PHP

Only the image for twitter meta tags is not showing.my facebook meta tags are working properly but my twitter image is not showing but other details are showing.

Log
INFO:  Page fetched successfully
INFO:  15 metatags were found
INFO:  twitter:card = summary_large_image tag found
INFO:  Card loaded successfully

<meta name="twitter:card" content="summary_large_image" />
<meta name="twitter:image" content="<?php echo $artcover; ?>">
<meta name="twitter:title" content="<?php echo $artistname; ?>">
<meta name="twitter:description" content="<?php echo $songname; ?>">

 
  
  <meta prefix="og: https://ogp.me/music#" />
 <meta name="og:url"           content="https://www.verotconsulting.com/starsnation/starsnation1.php">
<meta property="og:type"               content="article">
<meta property="og:title"              content="<?php echo $artistname; ?>">
<meta property="og:description"        content="<?php echo $songname; ?>">
<meta  property="og:image"        content="<?php echo $artcover; ?>">
<meta property="og:image:width" content="2048px" />
<meta property="og:image:height" content="1399px" />

What I have tried:

<pre><meta name="twitter:card" content="summary_large_image" />
<meta name="twitter:image" content="<?php echo $artcover; ?>">
<meta name="twitter:title" content="<?php echo $artistname; ?>">
<meta name="twitter:description" content="<?php echo $songname; ?>">