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/metadata/entityDefs/ReportPanel.json

@@ -39,6 +39,12 @@
             "type": "jsonObject",
             "notStorable": true
         },
+        "internalClassName": {
+            "type": "foreign",
+            "link": "report",
+            "field": "internalClassName",
+            "utility": true
+        },
         "order": {
             "type": "int",
             "minValue": 1,