Fix Broken Default Avatars for MyBB Last Post Avatar Plugin

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• Log in to your MyBB Admin Panel.
  
• Go to Home > Template Sets > Your Theme Templates > forumdisplay_thread.
  
• Copy and paste this code into the forumdisplay_thread template:
  

<!-- Default Broken Avatar Fix - Author: Xferno - Website: exfum.team --><script>
$(document).ready(function() {
    $('.avatarep_bg.avatarep_forumdisplay_img').each(function() {
        if (!$(this).attr('src')) {
            $(this).attr('src', '/images/default_avatar.png');
        }
    });
});
</script>