Hye 
please give some about the issue 
 @shraddha761 we need to replace empty cells with "N/A"
<img width="1099" alt="image" src="https://github.com/provectus/kafka-ui/assets/1494347/1403a0d8-16c6-4017-8146-eb7338761b74">
 I am unable to find where to do changes.
  Hi, could I work on this? @Haarolean Hi, I'm trying to setup my environment for windows but there's no instructions for windows on this page, could you help? https://docs.kafka-ui.provectus.io/development/building/prerequisites @nilling4 you can use WSL
Consumers: replace empty row with consumer lag with "N/A"
also in per consumer view
<img width="1099" alt="image" src="https://github.com/provectus/kafka-ui/assets/1494347/0cb6a7c3-ab38-4c18-a7d6-7558570e6c2d">

kafka-ui-react-app/src/components/ConsumerGroups/List.tsx
kafka-ui-react-app/src/components/ConsumerGroups/List.tsx
diff --git a/kafka-ui-react-app/src/components/ConsumerGroups/List.tsx b/kafka-ui-react-app/src/components/ConsumerGroups/List.tsx
index 247a18b0bd8..da35c6bbad6 100644
--- a/kafka-ui-react-app/src/components/ConsumerGroups/List.tsx
+++ b/kafka-ui-react-app/src/components/ConsumerGroups/List.tsx
@@ -61,6 +61,9 @@ const List = () => {
         id: ConsumerGroupOrdering.MESSAGES_BEHIND,
         header: 'Consumer Lag',
         accessorKey: 'consumerLag',
+        cell: (args) => {
+          return args.getValue() || 'N/A';
+        },
       },
       {
         header: 'Coordinator',
