diff --git a/packages/node_modules/@node-red/editor-client/locales/en-US/editor.json b/packages/node_modules/@node-red/editor-client/locales/en-US/editor.json
index 5474d1a23..4f617fff3 100644
--- a/packages/node_modules/@node-red/editor-client/locales/en-US/editor.json
+++ b/packages/node_modules/@node-red/editor-client/locales/en-US/editor.json
@@ -403,6 +403,7 @@
         },
         "errors": {
             "noNodesSelected": "<strong>Cannot create subflow</strong>: no nodes selected",
+            "acrossMultipleGroups": "Cannot create subflow across multiple groups",
             "multipleInputsToSelection": "<strong>Cannot create subflow</strong>: multiple inputs to selection"
         }
     },
diff --git a/packages/node_modules/@node-red/editor-client/locales/ja/editor.json b/packages/node_modules/@node-red/editor-client/locales/ja/editor.json
index 6022b5e81..fc3e898f9 100644
--- a/packages/node_modules/@node-red/editor-client/locales/ja/editor.json
+++ b/packages/node_modules/@node-red/editor-client/locales/ja/editor.json
@@ -403,6 +403,7 @@
         },
         "errors": {
             "noNodesSelected": "<strong>サブフローを作成できません</strong>: ノードが選択されていません",
+            "acrossMultipleGroups": "複数のグループをまたがるサブフローは作成できません",
             "multipleInputsToSelection": "<strong>サブフローを作成できません</strong>: 複数の入力が選択されています"
         }
     },
diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/subflow.js b/packages/node_modules/@node-red/editor-client/src/js/ui/subflow.js
index abe6402db..c304aeb6d 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/subflow.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/subflow.js
@@ -647,7 +647,7 @@ RED.subflow = (function() {
         for (i=0; i<nodeList.length;i++) {
             if (nodeList[i].g && !includedGroups.has(nodeList[i].g)) {
                 if (containingGroup !== nodeList[i].g) {
-                    RED.notify("Cannot create subflow across multiple groups","error");
+                    RED.notify(RED._("subflow.errors.acrossMultipleGroups"), "error");
                     return;
                 }
             }