diff --git a/packages/neos-ui-error/package.json b/packages/neos-ui-error/package.json
index 124b7c3e1f..38151c7642 100644
--- a/packages/neos-ui-error/package.json
+++ b/packages/neos-ui-error/package.json
@@ -6,9 +6,11 @@
   "main": "./src/index.ts",
   "dependencies": {
     "@neos-project/neos-ui-i18n": "workspace:*",
+    "@neos-project/neos-ui-redux-store": "workspace:*",
     "@neos-project/react-ui-components": "workspace:*",
     "classnames": "^2.2.3",
-    "react": "^16.12.0"
+    "react": "^16.12.0",
+    "react-redux": "^7.1.3"
   },
   "license": "GNU GPLv3",
   "stableVersion": "8.3.4"
diff --git a/packages/neos-ui/src/Containers/FlashMessages/FlashMessage/FlashMessage.tsx b/packages/neos-ui-error/src/container/FlashMessages/FlashMessage.tsx
similarity index 100%
rename from packages/neos-ui/src/Containers/FlashMessages/FlashMessage/FlashMessage.tsx
rename to packages/neos-ui-error/src/container/FlashMessages/FlashMessage.tsx
diff --git a/packages/neos-ui/src/Containers/FlashMessages/FlashMessages.tsx b/packages/neos-ui-error/src/container/FlashMessages/FlashMessages.tsx
similarity index 97%
rename from packages/neos-ui/src/Containers/FlashMessages/FlashMessages.tsx
rename to packages/neos-ui-error/src/container/FlashMessages/FlashMessages.tsx
index 120f322d02..d2ea544737 100644
--- a/packages/neos-ui/src/Containers/FlashMessages/FlashMessages.tsx
+++ b/packages/neos-ui-error/src/container/FlashMessages/FlashMessages.tsx
@@ -14,7 +14,7 @@ import {connect} from 'react-redux';
 import {actions} from '@neos-project/neos-ui-redux-store';
 import {GlobalState} from '@neos-project/neos-ui-redux-store/src/System';
 
-import FlashMessage from './FlashMessage';
+import {FlashMessage} from './FlashMessage';
 
 import style from './style.module.css';
 
diff --git a/packages/neos-ui/src/Containers/FlashMessages/FlashMessage/index.ts b/packages/neos-ui-error/src/container/FlashMessages/index.ts
similarity index 83%
rename from packages/neos-ui/src/Containers/FlashMessages/FlashMessage/index.ts
rename to packages/neos-ui-error/src/container/FlashMessages/index.ts
index 24619772a9..097ed78742 100644
--- a/packages/neos-ui/src/Containers/FlashMessages/FlashMessage/index.ts
+++ b/packages/neos-ui-error/src/container/FlashMessages/index.ts
@@ -7,4 +7,4 @@
  * information, please view the LICENSE file which was distributed with this
  * source code.
  */
-export {FlashMessage as default} from './FlashMessage';
+export {FlashMessages} from './FlashMessages';
diff --git a/packages/neos-ui/src/Containers/FlashMessages/FlashMessage/style.module.css b/packages/neos-ui-error/src/container/FlashMessages/style.module.css
similarity index 77%
rename from packages/neos-ui/src/Containers/FlashMessages/FlashMessage/style.module.css
rename to packages/neos-ui-error/src/container/FlashMessages/style.module.css
index a5a6bc1f2e..2c3b0378a8 100644
--- a/packages/neos-ui/src/Containers/FlashMessages/FlashMessage/style.module.css
+++ b/packages/neos-ui-error/src/container/FlashMessages/style.module.css
@@ -1,3 +1,19 @@
+.flashMessageContainer {
+    position: fixed;
+    z-index: var(--zIndex-FlashMessageContainer);
+    top: 0;
+    left: 50%;
+    width: 516px;
+    margin-top: 8px;
+    transform: translate(-50%, 0);
+    max-height: calc(100% - 16px);
+    overflow: auto;
+
+    &:empty {
+        display: none;
+    }
+}
+
 .flashMessage {
     color: white;
     font-size: 14px;
@@ -30,7 +46,7 @@
     position: absolute;
     left: 0;
     top: 0;
-    height: 100%;
+    height: 100% !important;
     line-height: var(--spacing-GoldenUnit);
     width: var(--spacing-GoldenUnit) !important;
     text-align: center;
diff --git a/packages/neos-ui-error/src/container/index.ts b/packages/neos-ui-error/src/container/index.ts
index 954653a8b0..e4b02df376 100644
--- a/packages/neos-ui-error/src/container/index.ts
+++ b/packages/neos-ui-error/src/container/index.ts
@@ -9,3 +9,4 @@
  */
 export {ErrorBoundary, terminateDueToFatalInitializationError} from './ErrorBoundary';
 export {ErrorView} from './ErrorView';
+export {FlashMessages} from './FlashMessages';
diff --git a/packages/neos-ui-error/src/index.ts b/packages/neos-ui-error/src/index.ts
index 83227623b8..08c63eaeb3 100644
--- a/packages/neos-ui-error/src/index.ts
+++ b/packages/neos-ui-error/src/index.ts
@@ -17,5 +17,6 @@ export type {
 export {
     ErrorBoundary,
     ErrorView,
+    FlashMessages,
     terminateDueToFatalInitializationError
 } from './container';
diff --git a/packages/neos-ui/src/Containers/App.js b/packages/neos-ui/src/Containers/App.js
index 21abe453f8..08fe022306 100644
--- a/packages/neos-ui/src/Containers/App.js
+++ b/packages/neos-ui/src/Containers/App.js
@@ -4,7 +4,7 @@ import {connect} from 'react-redux';
 import mergeClassNames from 'classnames';
 import style from './style.module.css';
 
-import FlashMessages from './FlashMessages/index';
+import {FlashMessages} from '@neos-project/neos-ui-error';
 
 const App = ({globalRegistry, menu, isFullScreen, leftSidebarIsHidden, rightSidebarIsHidden}) => {
     const containerRegistry = globalRegistry.get('containers');
diff --git a/packages/neos-ui/src/Containers/FlashMessages/index.ts b/packages/neos-ui/src/Containers/FlashMessages/index.ts
deleted file mode 100644
index d87c65f2db..0000000000
--- a/packages/neos-ui/src/Containers/FlashMessages/index.ts
+++ /dev/null
@@ -1,10 +0,0 @@
-/*
- * This file is part of the Neos.Neos.Ui package.
- *
- * (c) Contributors of the Neos Project - www.neos.io
- *
- * This package is Open Source Software. For the full copyright and license
- * information, please view the LICENSE file which was distributed with this
- * source code.
- */
-export {FlashMessages as default} from './FlashMessages';
diff --git a/packages/neos-ui/src/Containers/FlashMessages/style.module.css b/packages/neos-ui/src/Containers/FlashMessages/style.module.css
deleted file mode 100644
index 853c2c4c4f..0000000000
--- a/packages/neos-ui/src/Containers/FlashMessages/style.module.css
+++ /dev/null
@@ -1,15 +0,0 @@
-.flashMessageContainer {
-    position: fixed;
-    z-index: var(--zIndex-FlashMessageContainer);
-    top: 0;
-    left: 50%;
-    width: 516px;
-    margin-top: 8px;
-    transform: translate(-50%, 0);
-    max-height: calc(100% - 16px);
-    overflow: auto;
-
-    &:empty {
-        display: none;
-    }
-}
diff --git a/yarn.lock b/yarn.lock
index e9441ba281..01a2b3f39c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2442,9 +2442,11 @@ __metadata:
   resolution: "@neos-project/neos-ui-error@workspace:packages/neos-ui-error"
   dependencies:
     "@neos-project/neos-ui-i18n": "workspace:*"
+    "@neos-project/neos-ui-redux-store": "workspace:*"
     "@neos-project/react-ui-components": "workspace:*"
     classnames: ^2.2.3
     react: ^16.12.0
+    react-redux: ^7.1.3
   languageName: unknown
   linkType: soft