diff --git a/__pycache__/app.cpython-313.pyc b/__pycache__/app.cpython-313.pyc
index 66a642d..e75f451 100644
Binary files a/__pycache__/app.cpython-313.pyc and b/__pycache__/app.cpython-313.pyc differ
diff --git a/app.py b/app.py
index bd17c17..99ac058 100644
--- a/app.py
+++ b/app.py
@@ -2153,7 +2153,7 @@ def get_root_mindmap_data():
                 'description': category.description or '',
                 'color_code': category.color_code or '#9F7AEA',
                 'category': category.name,
-                'has_children': bool(category.children.count() > 0),
+                'has_children': bool(len(category.children) > 0),
                 'icon': category.icon or 'fa-solid fa-circle'
             })
         
diff --git a/logs/app.log b/logs/app.log
index c0b641d..bc7c316 100644
--- a/logs/app.log
+++ b/logs/app.log
@@ -410,3 +410,10 @@ werkzeug.exceptions.NotFound: 404 Not Found: The requested URL was not found on
 2025-05-14 11:59:42,332 INFO: Anwendung gestartet [in C:\Users\TTOMCZA.EMEA\Dev\website\app.py:77]
 2025-05-14 11:59:44,589 INFO: Anwendung gestartet [in C:\Users\TTOMCZA.EMEA\Dev\website\app.py:77]
 2025-05-14 11:59:44,589 INFO: Anwendung gestartet [in C:\Users\TTOMCZA.EMEA\Dev\website\app.py:77]
+2025-05-14 12:02:15,259 INFO: Anwendung gestartet [in C:\Users\TTOMCZA.EMEA\Dev\website\app.py:77]
+2025-05-14 12:02:17,521 INFO: Anwendung gestartet [in C:\Users\TTOMCZA.EMEA\Dev\website\app.py:77]
+2025-05-14 12:02:17,521 INFO: Anwendung gestartet [in C:\Users\TTOMCZA.EMEA\Dev\website\app.py:77]
+2025-05-14 12:02:46,542 INFO: Anwendung gestartet [in C:\Users\TTOMCZA.EMEA\Dev\website\app.py:77]
+2025-05-14 12:02:49,854 INFO: Anwendung gestartet [in C:\Users\TTOMCZA.EMEA\Dev\website\app.py:77]
+2025-05-14 12:02:49,854 INFO: Anwendung gestartet [in C:\Users\TTOMCZA.EMEA\Dev\website\app.py:77]
+2025-05-14 12:03:06,694 INFO: Anwendung gestartet [in C:\Users\TTOMCZA.EMEA\Dev\website\app.py:77]