docs: update 02-somethings-amiss (janhq#1668)

docs: update 02-somethings-amiss

docs/docs/guides/08-troubleshooting/02-somethings-amiss.mdx

@@ -19,6 +19,10 @@ keywords: [
   ]
 ---
 
+{/* Imports */}
+import Tabs from "@theme/Tabs";
+import TabItem from "@theme/TabItem";
+
 Previously labelled "Failed to fetch" error.
 
 You may receive a "Something's amiss" response when you first start chatting with a selected model.
@@ -37,6 +41,43 @@ This may occur due to several reasons. Please follow these steps to resolve it:
 
    - If you are re-installing Jan, it can help to [clear the application cache](https://jan.ai/troubleshooting/stuck-on-broken-build/).
 
-4. Ensure your V/RAM is accessible by the application (some people have virtual RAM)
+4. Ensure your V/RAM is accessible by the application (some people have virtual RAM).
 
 5. If you are on Nvidia GPUs, please download [Cuda](https://developer.nvidia.com/cuda-downloads).
+
+6. When [checking app logs](https://jan.ai/troubleshooting/how-to-get-error-logs/), if you encounter the error log `Bind address failed at 127.0.0.1:3928`, it indicates that the port used by Nitro might already be in use. Use the following commands to check the port status:
+
+<Tabs groupId="operating-systems">
+  <TabItem value="mac" label="macOS">
+
+    ```bash
+    netstat -an | grep 3928
+    ```
+
+  </TabItem>
+  <TabItem value="win" label="Windows">
+
+    ```sh
+    netstat -ano | find "3928" 
+    tasklist /fi "PID eq 3928"
+    ```
+
+  </TabItem>
+  <TabItem value="linux" label="Linux">
+
+    ```sh
+    netstat -anpe | grep "3928" 
+    ```
+
+  </TabItem>
+</Tabs>
+
+:::tip
+
+Jan uses the following ports:
+
+- Nitro: 3928
+- Jan API Server: 1337
+- Jan Documentation: 3001
+
+:::