I received a "Request failed with status code 411" error. What should I do? – Help Center | Teachme Biz

If you see a "Request failed with status code 411" error message while operating the Web browser version of Teachme Biz, it's possible that your company's proxy settings are restricting the use of Teachme Biz.

Please check the following settings:
*If you are unsure, please consult your company's IT department.

Proxy server settings
- In addition to checking the proxy settings of the device and browser you are using, please confirm that the proxy server is configured to allow connections to Teachme Biz.
  Related: What URLs and ports should be allowed to access Teachme Biz?
  https://help.teachme.jp/hc/en-us/articles/900005507666
Check if there are any mechanisms in your network settings that block specific requests
Check if security software or firewall settings are causing any impact

If the error persists despite checking the above, please contact our support team (support@teachme.jp) with the following information and data attached.

Summary of the issue that occurred
Operations performed when the issue occurred
Date and time of occurrence
Diagnostic results obtained from the device/browser/account where the issue occurred
- Diagnostic page: https://teachme.jp/diagnosis
  - Click the button in the upper right corner to "Copy diagnostic results" and paste all the content
Screenshot of the entire screen showing the issue

Related: Contact Guidelines
https://help.teachme.jp/hc/en-us/articles/4408344482201

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