[10:20 added] The Academic Center for Computing and Media Studies has resolved the issue and you can now log in. We apologize for any inconvenience.

There seems to be a problem that you cannot log in to the library website, TRIOS, manaba, and other web services with the unified authentication of the University of Tsukuba at this time.
[9:02 added] The Academic Information and Media Center is currently handling the issue.

Users whose 13-digit ID starts with 002,004 can use the library website as usual.

As soon as details become available, they will be posted on the library website and Twitter.