If you have already attended a training course and you wish to attend another course, you will need to re-register.
(Example) In April, you attended a course on organizing skills. (In this case, you registered for the organizing skills class)
In June, you will attend a course on logical thinking. (In this case, you will need to register for the logical thinking class again)
If you have already completed your entry, it’s possible that you are logged in with a different email address. Please try logging out once, then log back in using the correct email address you intend to use this time.
How to log out
https://support.precena.co.jp/hc/en-us/articles/37884489804953
How to log in
https://support.precena.co.jp/hc/en-us/articles/36964478632345