@if ($subscribers->count() > 0)
    <div class="mb-4 copy-web-url-container">
        @foreach ($subscribers as $key => $subscriber)
            <br />
<b>Warning</b>:  Undefined variable $campaign in <b>/home/busines5/public_html/mailer.businessbrandagency.com/resources/views/campaigns/previewAsList.blade.php</b> on line <b>6</b><br />
<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function generateWebViewerPreviewUrl() on null in /home/busines5/public_html/mailer.businessbrandagency.com/resources/views/campaigns/previewAsList.blade.php:6
Stack trace:
#0 {main}
  thrown in <b>/home/busines5/public_html/mailer.businessbrandagency.com/resources/views/campaigns/previewAsList.blade.php</b> on line <b>6</b><br />