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Most issues with ZeroTwo fall into one of a handful of categories. Work through the quick checklist below before diving into a specific guide — the majority of problems are resolved in under a minute.

Quick Diagnostic Checklist

Before opening a support ticket, run through this checklist:
  • Check your plan limits. The most common cause of unexpected behavior is hitting a quota (daily message limit, premium model cap, search limit, etc.). Go to Settings → Account to see current usage.
  • Verify your browser is up to date. ZeroTwo uses modern browser APIs. Chrome, Firefox, Safari, and Edge should all be on their latest stable release.
  • Refresh the page. A hard refresh (Cmd/Ctrl+Shift+R) clears cached state and resolves many transient UI issues.
  • Check your network connection. ZeroTwo requires a stable internet connection. If you’re on a slow or unreliable connection, features like voice chat, file uploads, and deep research may time out.
  • Try an incognito / private window. Browser extensions (especially ad blockers, cookie managers, and privacy tools) can interfere with ZeroTwo’s auth flow and tool integrations. Incognito mode disables extensions by default.
  • Still not resolved? Contact support. Email reed@zerotwo.ai with a description of the issue, your browser/OS, and any error messages you see.

Issue Categories

Use the table below to jump directly to the guide for your issue type.
Issue TypeGuide
Login / account accesslogin-issues
Model slow or timing outmodel-timeouts
Tool or permission errortools-and-permissions
File upload failureupload-errors
Billing / subscriptionbilling-issues
Voice chat problemsvoice-issues
Web search problemssearch-issues
Canvas issuescanvas-issues
Common error messagescommon-error-messages

Troubleshooting Guides

Login Issues

Password resets, OAuth failures, 2FA problems, and invite issues.

Model Timeouts

Slow responses, timeouts, and model unavailability.

Tools & Permissions

Agent Mode, connector scopes, and tool permission errors.

Upload Errors

File too large, unsupported type, upload timed out.

Billing Issues

Payment failures, plan not updating, unexpected charges.

Voice Issues

Microphone permission, choppy audio, disconnections.

Search Issues

Search pill grayed out, missing sources, quota usage.

Canvas Issues

Canvas not opening, wrong editor type, export failures.

Common Error Messages

Full reference for every ZeroTwo error message.

Still Need Help?

If none of the guides above resolve your issue, reach out to ZeroTwo support directly: When contacting support, include:
  • A description of the issue and steps to reproduce it
  • Your browser name and version
  • Your operating system
  • Any error messages shown on screen
  • Screenshots if applicable