Troubleshooting & Error Codes
Even the most reliable systems occasionally run into roadblocks. If you or your clients encounter an error while using Zynclog, use this guide to understand what went wrong and how to fix it immediately.
Standard HTTP Error Codes
Our API and web application use standard HTTP status codes to indicate the success or failure of a request.
| Code | Error Name | What it means & How to fix it |
|---|---|---|
| 400 | Bad Request | The data you submitted was invalid or missing. Check your form inputs to ensure all required fields (like Project Name or Milestone Title) are filled out correctly. |
| 401 | Unauthorized | Your session has expired, or you are not logged in. Simply return to the login screen and authenticate your account again. |
| 403 | Forbidden | You are trying to access a feature outside of your current subscription tier (e.g., trying to use AI Generation on the Free tier). Upgrade your plan in Settings to unlock this feature. |
| 404 | Not Found | The project, milestone, or page you are looking for does not exist. It may have been deleted, or the URL might be typed incorrectly. |
| 429 | Too Many Requests | You have hit our API rate limits. Please wait 60 seconds before trying your request again. |
| 500 | Internal Server Error | Something went wrong on our end. Our engineering team has been automatically notified. Try refreshing the page in a few minutes. |
Client View Errors
If your client reports an error when viewing a shared project link (/p/[id]), it is almost always one of two things:
- The Link is Broken: Ensure you copied the exact URL from your dashboard. If a single character is missing from the ID, the client will see a
404 Not Foundpage. - The Project is Archived: If you archive a project, its public link becomes permanently deactivated. And almost no modifications will be available. You must un-archive the project for the link to work again.
If you continue to experience an error that is not listed here, please contact our support team.