Hi there! I see you're dealing with "Please try again later (Error code: 4)" on Weverse. Let's work through this together.

First, could you let me know if you've been able to access Weverse recently, or if this error just started happening? Additionally, are you connected to Wi-Fi or using mobile data when trying to access it? Any extra details will help me understand the situation better.

In the meantime, here are a few general troubleshooting steps you can try:

1. Check Internet Connection: Make sure your device is connected to a reliable internet source. Switching between Wi-Fi and mobile data might also help.

2. Restart the App: Close the Weverse app completely and then open it again to see if the error resolves.

3. Clear App Cache: Go to your device settings, then to Apps, find Weverse, and clear the cache. This can help resolve temporary issues.

4. Update App: Ensure that you have the latest version of the Weverse app. Go to the Google Play Store, check for updates, and install if available.

5. Reinstall the App: If the above steps don’t work, try uninstalling and then reinstalling the Weverse app.

If these steps don’t resolve your issue, it might be a server-related problem, which I can check for you. Let me know how it goes or if you'd like more detailed instructions on any of the steps!