Nginx roundcube error

[Havouza15]

Have 1.6.7
Get these errors in the nginx error log. What can be wrong

025/01/11 08:56:43 [error] 99664#99664: *1712 open() "/opt/www/roundcubemail/skins/elastic/images/favicon.ico?s=1722764715" failed (2: No such file or directory), client: 104.164.173.181, server: mail.pissouri.org, request: "GET /mail/skins/elastic/images/favicon.ico%3Fs%3D1722764715 HTTP/1.1", host: "mail.pissouri.org"
2025/01/11 08:59:50 [error] 99664#99664: *1800 open() "/opt/www/roundcubemail/skins/elastic/images/favicon.ico?s=1722764715" failed (2: No such file or directory), client: 154.28.229.24, server: mail.mxmail.se, request: "GET /mail/skins/elastic/images/favicon.ico%3Fs%3D1722764715 HTTP/1.1", host: "mail.mxmail.se"
2025/01/11 08:59:50 [error] 99664#99664: *1800 open() "/opt/www/roundcubemail/skins/elastic/deps/bootstrap.min.css?s=1722764721" failed (2: No such file or directory), client: 154.28.229.24, server: mail.mxmail.se, request: "GET /mail/skins/elastic/deps/bootstrap.min.css%3Fs%3D1722764721 HTTP/1.1", host: "mail.mxmail.se"
2025/01/11 08:59:53 [error] 99664#99664: *1802 open() "/opt/www/roundcubemail/skins/elastic/images/favicon.ico?s=1722764715" failed (2: No such file or directory), client: 104.164.173.110, server: mail.pissouri.org, request: "GET /mail/skins/elastic/images/favicon.ico%3Fs%3D1722764715 HTTP/1.1", host: "mail.pissouri.org"
2025/01/11 08:59:56 [error] 99664#99664: *1803 open() "/opt/www/roundcubemail/skins/elastic/images/favicon.ico?s=1722764715" failed (2: No such file or directory), client: 104.164.173.211, server: _, request: "GET /mail/skins/elastic/images/favicon.ico%3Fs%3D1722764715 HTTP/1.1", host: "webmail.mxmail.se"
2025/01/11 08:59:56 [error] 99664#99664: *1806 open() "/opt/www/roundcubemail/skins/elastic/images/favicon.ico?s=1722764715" failed (2: No such file or directory), client: 104.164.173.14, server: mail.jv80.se, request: "GET /mail/skins/elastic/images/favicon.ico%3Fs%3D1722764715 HTTP/1.1", host: "mail.jv80.se"
2025/01/11 08:59:56 [error] 99664#99664: *1804 open() "/opt/www/roundcubemail/skins/elastic/images/favicon.ico?s=1722764715" failed (2: No such file or directory), client: 104.164.173.204, server: _, request: "GET /mail/skins/elastic/images/favicon.ico%3Fs%3D1722764715 HTTP/1.1", host: "mail.mxmail.pro"
2025/01/11 08:59:56 [error] 99664#99664: *1805 open() "/opt/www/roundcubemail/skins/elastic/images/favicon.ico?s=1722764715" failed (2: No such file or directory), client: 104.164.173.11, server: mail.mediasafe.pro, request: "GET /mail/skins/elastic/images/favicon.ico%3Fs%3D1722764715 HTTP/1.1", host: "mail.mediasafe.pro"

[SKaero]

Some browser is requesting a file that doesn't exist. It looks like the user browser is encoding "?s=" in the url so the file doesn't load. Bottom line there isn't anything wrong with Roundcube or Nginx the problem is on the end users browser side.