Gmail 421 cannot compose a new message

The infamous "421 Cannot compose a new message" error in Gmail!

This error typically occurs when there's a temporary issue with Gmail's servers or your internet connection. Here are some troubleshooting steps to help you resolve the issue:

  1. Check your internet connection: Ensure your internet connection is stable and working properly. Try restarting your router or modem if you're experiencing connectivity issues.
  2. Clear browser cache and cookies: Clear your browser's cache and cookies to ensure that any temporary issues are resolved. You can do this by pressing Ctrl + Shift + Delete (Windows) or Command + Shift + Delete (Mac) and following the prompts.
  3. Try a different browser: If you're using a specific browser, try switching to a different one to see if the issue persists. This can help you determine if the issue is browser-specific.
  4. Check Gmail's server status: Visit the Google Workspace Status Dashboard to see if there are any reported issues with Gmail. If there are known issues, you can wait for the issue to be resolved.
  5. Try composing a new message in a different way: Instead of using the compose button, try composing a new message by clicking on the "New message" button in the top right corner of the Gmail inbox.
  6. Check for any browser extensions or add-ons: Disable any browser extensions or add-ons that might be interfering with Gmail's functionality.
  7. Try a different device or location: If you're experiencing the issue on a specific device or location, try accessing Gmail from a different device or location to see if the issue persists.
  8. Contact your internet service provider: If none of the above steps resolve the issue, contact your internet service provider to see if there are any issues with your internet connection.
  9. Check your Gmail account settings: Ensure that your Gmail account settings are correct and that you're not experiencing any issues with your account, such as a temporary suspension or a problem with your account password.
  10. Wait for a while: If none of the above steps resolve the issue, try waiting for a while and then try composing a new message again. Sometimes, Gmail's servers may be experiencing temporary issues that resolve themselves after a short period.

If none of these steps resolve the issue, you can try reaching out to Google's support team for further assistance.