try to use console button

app/UI/Vms/Pages/VmsDataTable.php

@@ -169,7 +169,7 @@ class VmsDataTable extends DataTable implements ClientArea, AdminArea
             __FUNCTION__,
             $dataProv->getData()->getRecords(),
             'Debug',
-            $dataProv->getData()->getRecords()[0]['vmid']
+            $dataProv->getData()->getRecords()->getItem('vmid')
         );
 
     }