You have changed your certificate:
| Issuer | not before | not after | Domain names | LE-Duplicate | next LE |
|---|---|---|---|---|---|
| Let's Encrypt Authority X3 | 2019-09-02 | 2019-12-01 | biblio.chuo.fm, chuo.fm, library.chuo.fm, www.chuo.fm - 4 entries | duplicate nr. 1 | |
| Let's Encrypt Authority X3 | 2019-07-16 | 2019-10-14 | biblio.chuo.fm, chuo.fm, library.chuo.fm, new.chuo.fm, www.chuo.fm - 5 entries |
Old: 5 domain names. New: 4 domain names. So you have created a new certificate manual, so you have to install it manual.
See your older topics -> certbot certificates to see the file names, then change the two or three lines in your port 443 vHost, then restart your webserver.