possible fix

Author: dreeSec

layouts/shortcodes/img.html

@@ -1,8 +1,10 @@
 {{- $res := resources.GetMatch (.Get "src") -}}
+{{- if $res -}}
 <figure>
     <img
         sizes="(max-width: 800px) 800px, 100vw"
         src="{{ $res.RelPermalink }}"
         width="100%"
         height="auto"/>
-</figure>
+</figure>
+{{- end -}}