Ticket #21931: 21931.patch

wp-includes/template-loader.php

@@ -87 +87 @@
         if ( $template = apply_filters( 'template_include', $template ) ) {
                 include( $template );
         } elseif ( current_user_can( 'install_themes' ) ) {
-                $theme = wp_get_theme();
-                if ( $theme->errors() ) {
-                        wp_die( $theme->errors() );
-                }
+                wp_die( __( 'Template is missing.' ) );
         }
         return;
 endif;