Ticket #21931: 21931.diff

wp-includes/template-loader.php

@@ -39 +39 @@
         else :
                 $template = get_index_template();
         endif;
-        if ( $template = apply_filters( 'template_include', $template ) )
+        if ( $template = apply_filters( 'template_include', $template ) ){
                 include( $template );
+        }else{
+                wp_die( "Whoops! Looks like your theme is missing." );
+        }       
         return;
 endif;