Add Troubleshooting section.

README.md

@@ -78,3 +78,22 @@ You will see an error like the following:
 ```RuntimeError: Found no NVIDIA driver on your system. Please check that you have an NVIDIA GPU and installed a driver from http://www.nvidia.com/Download/index.aspx```
 
 We recommend using [nvidia/cuda:12.6.3-cudnn-runtime-ubuntu24.04](https://hub.docker.com/layers/nvidia/cuda/12.6.3-cudnn-runtime-ubuntu24.04/images/sha256-23debbe74125dc84df96df79cff42079b3b15265c27140714fd27b5aa718faa4) or a similar image as your base image. This image has been validated to work correctly.
+
+
+# ❌ Troubleshooting
+
+If you encounter any problems, please don't hesitate to ask for help in the [Discord server](https://discord.com/channels/1434971046485819483). When posting about a problem, please include your Team ID, the ID of the Submission that encountered the problem, and the complete stack trace of any exceptions that occurred. Remember that this is a public Discord server and make sure you don't post any credentials or other sensitive information.
+
+### Checking submission status
+
+You can view all of your submissions to the challenge here: https://app.dyff.io/dashboard/submissions
+
+Click through to individual submissions to see the status of the different steps in the submission pipeline.
+
+### `pydantic_core._pydantic_core.ValidationError` when using CLI tools / Dyff SDK
+
+This usually means you have an outdated version of the Dyff SDK. Upgrade to the latest version with:
+
+```
+python -m pip install --upgrade dyff
+```