diff --git a/web/pgadmin/browser/static/js/browser.js b/web/pgadmin/browser/static/js/browser.js
index 45f18cb9..3f662a11 100644
--- a/web/pgadmin/browser/static/js/browser.js
+++ b/web/pgadmin/browser/static/js/browser.js
@@ -440,14 +440,16 @@ define('pgadmin.browser', [
       initializeBrowserTree(obj);
 
       // Syntax highlight the SQL Pane
-      obj.editor = CodeMirror.fromTextArea(
-        document.getElementById('sql-textarea'), {
-          lineNumbers: true,
-          mode: 'text/x-pgsql',
-          readOnly: true,
-          extraKeys: pgAdmin.Browser.editor_shortcut_keys,
-          screenReaderLabel: gettext('SQL'),
-        });
+      if(document.getElementById('sql-textarea')){
+        obj.editor = CodeMirror.fromTextArea(
+          document.getElementById('sql-textarea'), {
+            lineNumbers: true,
+            mode: 'text/x-pgsql',
+            readOnly: true,
+            extraKeys: pgAdmin.Browser.editor_shortcut_keys,
+            screenReaderLabel: gettext('SQL'),
+          });
+      }
       /* Cache may take time to load for the first time
        * Reflect the changes once cache is available
        */
@@ -465,8 +467,8 @@ define('pgadmin.browser', [
       });
 
       setTimeout(function() {
-        obj.editor.setValue('-- ' + select_object_msg);
-        obj.editor.refresh();
+        obj?.editor?.setValue('-- ' + select_object_msg);
+        obj?.editor?.refresh();
       }, 10);
 
       // Build the treeview context menu
diff --git a/web/pgadmin/browser/static/js/layout.js b/web/pgadmin/browser/static/js/layout.js
index 5f313867..9491bfaa 100644
--- a/web/pgadmin/browser/static/js/layout.js
+++ b/web/pgadmin/browser/static/js/layout.js
@@ -100,7 +100,10 @@ _.extend(pgBrowser, {
   },
 
   lock_layout: function(docker, op) {
-    let menu_items = this.menus['file']['mnu_locklayout']['menu_items'];
+    let menu_items = [];
+    if('mnu_locklayout' in this.menus['file']) {
+      menu_items = this.menus['file']['mnu_locklayout']['menu_items'];
+    }
 
     switch(op) {
     case this.lock_layout_levels.PREVENT_DOCKING:
@@ -114,13 +117,15 @@ _.extend(pgBrowser, {
       break;
     }
 
-    _.each(menu_items, function(menu_item) {
-      if(menu_item.name != ('mnu_lock_'+op)) {
-        menu_item.change_checked(false);
-      } else {
-        menu_item.change_checked(true);
-      }
-    });
+    if(menu_items) {
+      _.each(menu_items, function(menu_item) {
+        if(menu_item.name != ('mnu_lock_'+op)) {
+          menu_item.change_checked(false);
+        } else {
+          menu_item.change_checked(true);
+        }
+      });
+    }
   },
 
   save_lock_layout: function(op) {
diff --git a/web/pgadmin/browser/static/js/preferences.js b/web/pgadmin/browser/static/js/preferences.js
index 98b006fc..a41e68a1 100644
--- a/web/pgadmin/browser/static/js/preferences.js
+++ b/web/pgadmin/browser/static/js/preferences.js
@@ -124,14 +124,14 @@ _.extend(pgBrowser, {
     if(module === 'sqleditor' || module === null || typeof module === 'undefined') {
       let sqlEditPreferences = obj.get_preferences_for_module('sqleditor');
 
-      $(obj.editor.getWrapperElement()).css(
+      $(obj?.editor?.getWrapperElement()).css(
         'font-size',SqlEditorUtils.calcFontSize(sqlEditPreferences.sql_font_size)
       );
-      obj.editor.setOption('tabSize', sqlEditPreferences.tab_size);
-      obj.editor.setOption('lineWrapping', sqlEditPreferences.wrap_code);
-      obj.editor.setOption('autoCloseBrackets', sqlEditPreferences.insert_pair_brackets);
-      obj.editor.setOption('matchBrackets', sqlEditPreferences.brace_matching);
-      obj.editor.refresh();
+      obj?.editor?.setOption('tabSize', sqlEditPreferences.tab_size);
+      obj?.editor?.setOption('lineWrapping', sqlEditPreferences.wrap_code);
+      obj?.editor?.setOption('autoCloseBrackets', sqlEditPreferences.insert_pair_brackets);
+      obj?.editor?.setOption('matchBrackets', sqlEditPreferences.brace_matching);
+      obj?.editor?.refresh();
     }
   },