diff --git a/core/vendor/filemanager/dialog.php b/core/vendor/filemanager/dialog.php
index 029b9020..35451a6f 100644
--- a/core/vendor/filemanager/dialog.php
+++ b/core/vendor/filemanager/dialog.php
@@ -276,7 +276,7 @@ if (isset($_GET['editor'])) {
     $editor = $_GET['type'] == 0 ? null : 'tinymce';
 }
 
-$field_id = isset($_GET['field_id']) ? fix_get_params($_GET['field_id']) : null;
+$field_id = isset($_GET['field_id']) ? fix_get_params($_GET['field_id']) : '';
 $type_param = fix_get_params($_GET['type']);
 $apply = null;
 
diff --git a/core/vendor/filemanager/plugin.min.js b/core/vendor/filemanager/plugin.min.js
index dc00ffe4..78117c34 100755
--- a/core/vendor/filemanager/plugin.min.js
+++ b/core/vendor/filemanager/plugin.min.js
@@ -1,111 +1 @@
-/**
- * plugin.js
- *
- * Copyright, Alberto Peripolli
- * Released under Creative Commons Attribution-NonCommercial 3.0 Unported License.
- *
- * Contributing: https://github.com/trippo/ResponsiveFilemanager
- */
-
-tinymce.PluginManager.add('filemanager', function(editor) {
-
-	editor.settings.file_picker_types = 'file image media';
-	editor.settings.file_picker_callback = filemanager;
-
-	function filemanager_onMessage(event){
-		if(editor.settings.external_filemanager_path.toLowerCase().indexOf(event.origin.toLowerCase()) === 0){
-			if(event.data.sender === 'responsivefilemanager'){
-				tinymce.activeEditor.windowManager.getParams().setUrl(event.data.url);
-				tinymce.activeEditor.windowManager.close();
-
-				// Remove event listener for a message from ResponsiveFilemanager
-				if(window.removeEventListener){
-					window.removeEventListener('message', filemanager_onMessage, false);
-				} else {
-					window.detachEvent('onmessage', filemanager_onMessage);
-				}
-			}
-		}
-	}
-
-	function filemanager(callback, value, meta) {
-		var width = window.innerWidth-30;
-		var height = window.innerHeight-60;
-		if(width > 1800) width=1800;
-		if(height > 1200) height=1200;
-		if(width>600){
-			var width_reduce = (width - 20) % 138;
-			width = width - width_reduce + 10;
-		}
-
-		// DEFAULT AS FILE
-		urltype=2;
-		if (meta.filetype === 'image' || meta.mediaType === 'image') { urltype=1; }
-		if (meta.filetype === 'media' || meta.mediaType === 'media') { urltype=3; }
-
-		var title="RESPONSIVE FileManager";
-		if (typeof editor.settings.filemanager_title !== "undefined" && editor.settings.filemanager_title) {
-			title=editor.settings.filemanager_title;
-		}
-		var akey="key";
-		if (typeof editor.settings.filemanager_access_key !== "undefined" && editor.settings.filemanager_access_key) {
-			akey=editor.settings.filemanager_access_key;
-		}
-		var sort_by="";
-		if (typeof editor.settings.filemanager_sort_by !== "undefined" && editor.settings.filemanager_sort_by) {
-			sort_by="&sort_by="+editor.settings.filemanager_sort_by;
-		}
-		var descending=0;
-		if (typeof editor.settings.filemanager_descending !== "undefined" && editor.settings.filemanager_descending) {
-			descending=editor.settings.filemanager_descending;
-		}
-		var fldr="";
-		if (typeof editor.settings.filemanager_subfolder !== "undefined" && editor.settings.filemanager_subfolder) {
-			fldr="&fldr="+editor.settings.filemanager_subfolder;
-		}
-		var crossdomain="";
-		if (typeof editor.settings.filemanager_crossdomain !== "undefined" && editor.settings.filemanager_crossdomain) {
-			crossdomain="&crossdomain=1";
-
-			// Add handler for a message from ResponsiveFilemanager
-			if(window.addEventListener){
-				window.addEventListener('message', filemanager_onMessage, false);
-			} else {
-				window.attachEvent('onmessage', filemanager_onMessage);
-			}
-		}
-
-		window.addEventListener('message', function receiveMessage(event) {
-			window.removeEventListener('message', receiveMessage, false);
-			if (event.data.sender === 'responsivefilemanager') {
-				callback(event.data.url);
-			}
-		}, false);
-
-		var dialogUrl = editor.settings.external_filemanager_path+'dialog.php?type='+urltype+'&descending='+descending+sort_by+fldr+crossdomain+'&lang='+editor.settings.language+'&akey='+akey;
-
-		if (tinymce.majorVersion > 4) {
-			tinymce.activeEditor.windowManager.openUrl({
-				title: title,
-				url: dialogUrl,
-				width: width,
-				height: height,
-				resizable: true,
-				maximizable: true,
-				inline: 1,
-			});
-		} else {
-			tinymce.activeEditor.windowManager.open({
-				title: title,
-				file: dialogUrl,
-				width: width,
-				height: height,
-				resizable: true,
-				maximizable: true,
-				inline: 1,
-			});
-		}
-	}
-
-	return false;
-});
+tinymce.PluginManager.add("filemanager",(function(editor){function filemanager_onMessage(event){0===editor.settings.external_filemanager_path.toLowerCase().indexOf(event.origin.toLowerCase())&&"responsivefilemanager"===event.data.sender&&(tinymce.activeEditor.windowManager.getParams().setUrl(event.data.url),tinymce.activeEditor.windowManager.close(),window.removeEventListener?window.removeEventListener("message",filemanager_onMessage,!1):window.detachEvent("onmessage",filemanager_onMessage))}function filemanager(callback,value,meta){var width=window.innerWidth-30,height=window.innerHeight-60,width_reduce;(width>1800&&(width=1800),height>1200&&(height=1200),width>600)&&(width=width-(width-20)%138+10);urltype=2,"image"!==meta.filetype&&"image"!==meta.mediaType||(urltype=1),"media"!==meta.filetype&&"media"!==meta.mediaType||(urltype=3);var title="RESPONSIVE FileManager";void 0!==editor.settings.filemanager_title&&editor.settings.filemanager_title&&(title=editor.settings.filemanager_title);var akey="key";void 0!==editor.settings.filemanager_access_key&&editor.settings.filemanager_access_key&&(akey=editor.settings.filemanager_access_key);var sort_by="";void 0!==editor.settings.filemanager_sort_by&&editor.settings.filemanager_sort_by&&(sort_by="&sort_by="+editor.settings.filemanager_sort_by);var descending=0;void 0!==editor.settings.filemanager_descending&&editor.settings.filemanager_descending&&(descending=editor.settings.filemanager_descending);var fldr="";void 0!==editor.settings.filemanager_subfolder&&editor.settings.filemanager_subfolder&&(fldr="&fldr="+editor.settings.filemanager_subfolder);var crossdomain="";void 0!==editor.settings.filemanager_crossdomain&&editor.settings.filemanager_crossdomain&&(crossdomain="&crossdomain=1",window.addEventListener?window.addEventListener("message",filemanager_onMessage,!1):window.attachEvent("onmessage",filemanager_onMessage)),window.addEventListener("message",(function receiveMessage(event){"responsivefilemanager"===event.data.sender&&callback(event.data.url)}),!1);var dialogUrl=editor.settings.external_filemanager_path+"dialog.php?type="+urltype+"&descending="+descending+sort_by+fldr+crossdomain+"&lang="+editor.settings.language+"&akey="+akey;tinymce.majorVersion>4?tinymce.activeEditor.windowManager.openUrl({title:title,url:dialogUrl,width:width,height:height,resizable:!0,maximizable:!0,inline:1}):tinymce.activeEditor.windowManager.open({title:title,file:dialogUrl,width:width,height:height,resizable:!0,maximizable:!0,inline:1})}return editor.settings.file_picker_types="file image media",editor.settings.file_picker_callback=filemanager,!1}));
\ No newline at end of file