fix

lib/pages/transaction.dart

@@ -302,6 +302,13 @@ class TransactionSelectPage extends StatelessWidget {
       selectionList.add(s);
     }
 
+    if (selectionList.isEmpty) {
+      Navigator.of(context).pop();
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(content: Text('No Transactions to select')),
+      );
+    }
+
     return Scaffold(
       appBar: AppBar(
         title: const Text("Select a Transaction"),