I received an error message saying "Please contact customer support." What should I do?

2021-04-06 06:33:41 UTC 2026-06-09 08:20:41 UTC

This error message is displayed when an unexpected error occurs.

We will investigate the cause of the error and how to resolve it.
We apologize for the inconvenience. Please use the "Error and Bug Inquiry Template" described in the guidelines below and contact our support desk.

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

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