Cannot change master locale - please help

I am not able to login to your support ticket system to send a request so I'm sending here.

Please change the default locale of my repo to be Japanese.

Here is the address

https://dreamdrive-next.prismic.io/

Thank you.

A post was merged into an existing topic: Please change the master locale of my repo

This issue has been resolved in another thread and can be closed. Thanks for your help.

The thread is here: