diff --git a/api-editor/gui/src/app/App.tsx b/api-editor/gui/src/app/App.tsx
index 23b8a2e1b..117789e88 100644
--- a/api-editor/gui/src/app/App.tsx
+++ b/api-editor/gui/src/app/App.tsx
@@ -20,6 +20,7 @@ import {
     persistAnnotations,
     selectAnnotationSlice,
     selectAnnotationStore,
+    selectUsernameIsValid,
 } from '../features/annotations/annotationSlice';
 import { BoundaryForm } from '../features/annotations/forms/BoundaryForm';
 import { CalledAfterForm } from '../features/annotations/forms/CalledAfterForm';
@@ -96,6 +97,7 @@ export const App: React.FC = function () {
     const batchMode = useAppSelector(selectBatchMode);
     const showAddFilterDialog = useAppSelector(selectShowAddFilterDialog);
     const showStatistics = useAppSelector(selectShowStatistics);
+    const isValidUsername = useAppSelector(selectUsernameIsValid);
 
     return (
         <>
@@ -160,39 +162,39 @@ export const App: React.FC = function () {
                 </GridItem>
                 <GridItem gridArea="middlePane" overflow="auto">
                     <Box flexGrow={1} overflowY="auto" width="100%">
-                        {batchMode === BatchMode.None && <SelectionView />}
+                        {(batchMode === BatchMode.None || !isValidUsername) && <SelectionView />}
 
-                        {batchMode === BatchMode.Constant && (
+                        {batchMode === BatchMode.Constant && isValidUsername && (
                             <ConstantBatchForm
                                 targets={getMatchedElements(rawPythonPackage, filter, annotationStore, usages)}
                             />
                         )}
 
-                        {batchMode === BatchMode.Rename && (
+                        {batchMode === BatchMode.Rename && isValidUsername && (
                             <RenameBatchForm
                                 targets={getMatchedElements(rawPythonPackage, filter, annotationStore, usages)}
                             />
                         )}
 
-                        {batchMode === BatchMode.Move && (
+                        {batchMode === BatchMode.Move && isValidUsername && (
                             <MoveBatchForm
                                 targets={getMatchedElements(rawPythonPackage, filter, annotationStore, usages)}
                             />
                         )}
 
-                        {batchMode === BatchMode.Required && (
+                        {batchMode === BatchMode.Required && isValidUsername && (
                             <RequiredBatchForm
                                 targets={getMatchedElements(rawPythonPackage, filter, annotationStore, usages)}
                             />
                         )}
 
-                        {batchMode === BatchMode.Optional && (
+                        {batchMode === BatchMode.Optional && isValidUsername && (
                             <OptionalBatchForm
                                 targets={getMatchedElements(rawPythonPackage, filter, annotationStore, usages)}
                             />
                         )}
 
-                        {batchMode === BatchMode.Remove && (
+                        {batchMode === BatchMode.Remove && isValidUsername && (
                             <RemoveBatchForm
                                 targets={getMatchedElements(rawPythonPackage, filter, annotationStore, usages)}
                             />
diff --git a/api-editor/gui/src/common/DeleteAllAnnotations.tsx b/api-editor/gui/src/common/DeleteAllAnnotations.tsx
index 24a4b331a..1cb2b2a41 100644
--- a/api-editor/gui/src/common/DeleteAllAnnotations.tsx
+++ b/api-editor/gui/src/common/DeleteAllAnnotations.tsx
@@ -11,11 +11,14 @@ import {
     VStack,
 } from '@chakra-ui/react';
 import React, { useRef, useState } from 'react';
-import { useAppDispatch } from '../app/hooks';
-import { resetAnnotationStore } from '../features/annotations/annotationSlice';
+import { useAppDispatch, useAppSelector } from '../app/hooks';
+import { resetAnnotationStore, selectUsernameIsValid } from '../features/annotations/annotationSlice';
 
 export const DeleteAllAnnotations = function () {
     const dispatch = useAppDispatch();
+
+    const usernameIsValid = useAppSelector(selectUsernameIsValid);
+
     const [isOpen, setIsOpen] = useState(false);
     const cancelRef = useRef(null);
 
@@ -31,9 +34,11 @@ export const DeleteAllAnnotations = function () {
 
     return (
         <>
-            <Button onClick={() => setIsOpen(true)}>Delete All Annotations</Button>
+            <Button onClick={() => setIsOpen(true)} disabled={!usernameIsValid}>
+                Delete All Annotations
+            </Button>
 
-            <AlertDialog isOpen={isOpen} leastDestructiveRef={cancelRef} onClose={handleCancel}>
+            <AlertDialog isOpen={isOpen && usernameIsValid} leastDestructiveRef={cancelRef} onClose={handleCancel}>
                 <AlertDialogOverlay>
                     <AlertDialogContent>
                         <AlertDialogHeader>
diff --git a/api-editor/gui/src/common/MenuBar.tsx b/api-editor/gui/src/common/MenuBar.tsx
index a35ee8592..cac986b7b 100644
--- a/api-editor/gui/src/common/MenuBar.tsx
+++ b/api-editor/gui/src/common/MenuBar.tsx
@@ -18,7 +18,7 @@ import {
 import React from 'react';
 import { FaChevronDown } from 'react-icons/fa';
 import { useAppDispatch, useAppSelector } from '../app/hooks';
-import { selectAnnotationStore } from '../features/annotations/annotationSlice';
+import { selectAnnotationStore, selectUsernameIsValid } from '../features/annotations/annotationSlice';
 import {
     BatchMode,
     HeatMapMode,
@@ -50,6 +50,7 @@ export const MenuBar: React.FC<MenuBarProps> = function ({ displayInferErrors })
     const sortingMode = useAppSelector(selectSortingMode);
     const heatMapMode = useAppSelector(selectHeatMapMode);
     const showStatistics = useAppSelector(selectShowStatistics);
+    const usernameIsValid = useAppSelector(selectUsernameIsValid);
 
     const exportAnnotations = () => {
         const a = document.createElement('a');
@@ -105,7 +106,7 @@ export const MenuBar: React.FC<MenuBarProps> = function ({ displayInferErrors })
 
                 <Box>
                     <Menu closeOnSelect={false}>
-                        <MenuButton as={Button} rightIcon={<Icon as={FaChevronDown} />}>
+                        <MenuButton as={Button} rightIcon={<Icon as={FaChevronDown} />} disabled={!usernameIsValid}>
                             Batch
                         </MenuButton>
                         <MenuList>