About the error occurrence of CiNii Books Institutional Authentication(Fri, June 30- [JST])

Since 10:00 on June 30 (Fri.), there has been a problem with the institutional authentication of CiNii Books.
Due to this problem, the function to display the information of the institution that uses the institutional authentication in the holding information of books and periodicals with priority and the function to display the link button to the institutional OPAC and the access button to the link resolver are not available on the detailed display screen of books and periodicals.
The cause is under investigation.
We will inform you when there is progress. We apologize for any inconvenience this may cause.