updated advanced pack to 3.12.0:

Reports:

    Non-aggregated columns in Grid report export.
    Normalized table mode for 2-dimensional Grid reports.
    Ability to create internal reports via the UI.
    Ability to show/hide and resize columns in the list report result view.

custom/Espo/Modules/Advanced/Resources/layouts/Report/detail.json

@@ -1,10 +1,10 @@
 [
     {
-        "label": "",
         "rows": [
-            [{"name": "name"},{"name":"type", "readOnly": true}],
+            [{"name": "name"}, {"name":"type", "readOnly": true}],
             [{"name": "category"}, {"name": "entityType", "readOnly": true}],
-            [{"name": "description", "fullWidth": true}]
+            [{"name": "joinedReports"}, {"name": "internalClassName"}],
+            [{"name": "description"}]
         ]
     }
 ]