diff --git a/wp-includes/js/wp-util.js b/wp-includes/js/wp-util.js
index 7aedbbb584..c603bc69f4 100644
--- a/wp-includes/js/wp-util.js
+++ b/wp-includes/js/wp-util.js
@@ -36,6 +36,9 @@ window.wp = window.wp || {};
 			};
 
 		return function ( data ) {
+			if ( ! document.getElementById( 'tmpl-' + id ) ) {
+				throw new Error( 'Template not found: ' + '#tmpl-' + id );
+			}
 			compiled = compiled || _.template( $( '#tmpl-' + id ).html(),  options );
 			return compiled( data );
 		};
diff --git a/wp-includes/js/wp-util.min.js b/wp-includes/js/wp-util.min.js
index 197737b13a..bbab13af54 100644
--- a/wp-includes/js/wp-util.min.js
+++ b/wp-includes/js/wp-util.min.js
@@ -1,2 +1,2 @@
 /*! This file is auto-generated */
-window.wp=window.wp||{},function(s){var t="undefined"==typeof _wpUtilSettings?{}:_wpUtilSettings;wp.template=_.memoize(function(e){var a,n={evaluate:/<#([\s\S]+?)#>/g,interpolate:/\{\{\{([\s\S]+?)\}\}\}/g,escape:/\{\{([^\}]+?)\}\}(?!\})/g,variable:"data"};return function(t){return(a=a||_.template(s("#tmpl-"+e).html(),n))(t)}}),wp.ajax={settings:t.ajax||{},post:function(t,e){return wp.ajax.send({data:_.isObject(t)?t:_.extend(e||{},{action:t})})},send:function(n,t){var e,a;return _.isObject(n)?t=n:(t=t||{}).data=_.extend(t.data||{},{action:n}),t=_.defaults(t||{},{type:"POST",url:wp.ajax.settings.url,context:this}),(e=(a=s.Deferred(function(a){t.success&&a.done(t.success),t.error&&a.fail(t.error),delete t.success,delete t.error,a.jqXHR=s.ajax(t).done(function(t){var e;"1"!==t&&1!==t||(t={success:!0}),_.isObject(t)&&!_.isUndefined(t.success)?(e=this,a.done(function(){n&&n.data&&"query-attachments"===n.data.action&&a.jqXHR.hasOwnProperty("getResponseHeader")&&a.jqXHR.getResponseHeader("X-WP-Total")?e.totalAttachments=parseInt(a.jqXHR.getResponseHeader("X-WP-Total"),10):e.totalAttachments=0}),a[t.success?"resolveWith":"rejectWith"](this,[t.data])):a.rejectWith(this,[t])}).fail(function(){a.rejectWith(this,arguments)})})).promise()).abort=function(){return a.jqXHR.abort(),this},e}}}(jQuery);
\ No newline at end of file
+window.wp=window.wp||{},function(s){var t="undefined"==typeof _wpUtilSettings?{}:_wpUtilSettings;wp.template=_.memoize(function(e){var n,a={evaluate:/<#([\s\S]+?)#>/g,interpolate:/\{\{\{([\s\S]+?)\}\}\}/g,escape:/\{\{([^\}]+?)\}\}(?!\})/g,variable:"data"};return function(t){if(document.getElementById("tmpl-"+e))return(n=n||_.template(s("#tmpl-"+e).html(),a))(t);throw new Error("Template not found: #tmpl-"+e)}}),wp.ajax={settings:t.ajax||{},post:function(t,e){return wp.ajax.send({data:_.isObject(t)?t:_.extend(e||{},{action:t})})},send:function(a,t){var e,n;return _.isObject(a)?t=a:(t=t||{}).data=_.extend(t.data||{},{action:a}),t=_.defaults(t||{},{type:"POST",url:wp.ajax.settings.url,context:this}),(e=(n=s.Deferred(function(n){t.success&&n.done(t.success),t.error&&n.fail(t.error),delete t.success,delete t.error,n.jqXHR=s.ajax(t).done(function(t){var e;"1"!==t&&1!==t||(t={success:!0}),_.isObject(t)&&!_.isUndefined(t.success)?(e=this,n.done(function(){a&&a.data&&"query-attachments"===a.data.action&&n.jqXHR.hasOwnProperty("getResponseHeader")&&n.jqXHR.getResponseHeader("X-WP-Total")?e.totalAttachments=parseInt(n.jqXHR.getResponseHeader("X-WP-Total"),10):e.totalAttachments=0}),n[t.success?"resolveWith":"rejectWith"](this,[t.data])):n.rejectWith(this,[t])}).fail(function(){n.rejectWith(this,arguments)})})).promise()).abort=function(){return n.jqXHR.abort(),this},e}}}(jQuery);
\ No newline at end of file
diff --git a/wp-includes/version.php b/wp-includes/version.php
index ddfac1876b..3b8f3677cf 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.1-alpha-54240';
+$wp_version = '6.1-alpha-54241';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.