diff --git a/tests/acceptance/features/apiSharingNg/shareInvitations.feature b/tests/acceptance/features/apiSharingNg/shareInvitations.feature
index dd2bb5629b4..4e86c533d46 100644
--- a/tests/acceptance/features/apiSharingNg/shareInvitations.feature
+++ b/tests/acceptance/features/apiSharingNg/shareInvitations.feature
@@ -1093,3 +1093,57 @@ Feature: Send a sharing invitations
       | Co Owner         | folder        | FolderToShare  |
       | Uploader         | folder        | FolderToShare  |
       | Manager          | folder        | FolderToShare  |
+
+
+  Scenario Outline: send sharing invitation to non-existing group
+    Given user "Alice" has uploaded file with content "to share" to "/textfile1.txt"
+    And user "Alice" has created folder "FolderToShare"
+    When user "Alice" sends the following share invitation using the Graph API:
+      | resourceType    | <resource-type>    |
+      | resource        | <path>             |
+      | space           | Personal           |
+      | sharee          | nonExistentGroup   |
+      | shareType       | group              |
+      | permissionsRole | <permissions-role> |
+    Then the HTTP status code should be "400"
+    And the JSON data of the response should match
+      """
+      {
+        "type": "object",
+        "required": [
+          "error"
+        ],
+        "properties": {
+          "error": {
+            "type": "object",
+            "required": [
+              "code",
+              "message"
+            ],
+            "properties": {
+              "code": {
+                "type": "string",
+                "enum": [
+                  "generalException"
+                ]
+              },
+              "message": {
+                "type": "string",
+                "enum": [
+                  "itemNotFound: not found"
+                ]
+              }
+            }
+          }
+        }
+      }
+      """
+    Examples:
+      | permissions-role | resource-type | path           |
+      | Viewer           | file          | /textfile1.txt |
+      | File Editor      | file          | /textfile1.txt |
+      | Viewer           | folder        | FolderToShare  |
+      | Editor           | folder        | FolderToShare  |
+      | Co Owner         | folder        | FolderToShare  |
+      | Uploader         | folder        | FolderToShare  |
+      | Manager          | folder        | FolderToShare  |
diff --git a/tests/acceptance/features/bootstrap/SharingNgContext.php b/tests/acceptance/features/bootstrap/SharingNgContext.php
index 7f18bd793c9..bb4492301f8 100644
--- a/tests/acceptance/features/bootstrap/SharingNgContext.php
+++ b/tests/acceptance/features/bootstrap/SharingNgContext.php
@@ -23,6 +23,7 @@
 use Behat\Behat\Hook\Scope\BeforeScenarioScope;
 use Psr\Http\Message\ResponseInterface;
 use TestHelpers\GraphHelper;
+use TestHelpers\WebDavHelper;
 use Behat\Gherkin\Node\TableNode;
 use PHPUnit\Framework\Assert;
 
@@ -150,9 +151,10 @@ public function sendShareInvitation(string $user, TableNode $table): ResponseInt
 		$shareeIds = [];
 		foreach ($sharees as $index => $sharee) {
 			$shareType = $shareTypes[$index];
-			$shareeIds[] = ($shareType === 'user')
+			// for non-exiting group or user, generate random id
+			$shareeIds[] = (($shareType === 'user')
 				? $this->featureContext->getAttributeOfCreatedUser($sharee, 'id')
-				: $this->featureContext->getAttributeOfCreatedGroup($sharee, 'id');
+				: $this->featureContext->getAttributeOfCreatedGroup($sharee, 'id')) ?: WebDavHelper::generateUUIDv4();
 		}
 
 		$permissionsRole = $rows['permissionsRole'] ?? null;