Error while trying to open any document

After install Workspace-community via deb on ubuntu 22.04, I see list of documents in web interface, but when i’am trying to open them I see error “Can’t save document. Contact with your administrator”

Community Server/Control Panel version:
Type of installation of Workspace (docker, deb/rpm, exe) deb
OS: Ubuntu 22.04
Browser version: any

Hello @KES,
Please provide Document Server logs (/var/log/onlyoffice/documentserver/).

root@onlyoffice:/var/log/onlyoffice/documentserver# cat nginx.error.log

2024/01/26 10:05:02 [error] 13356#13356: *54568 open() "/var/www/onlyoffice/documentserver/web-apps/apps/spreadsheeteditor/main/[object HTMLCollection]" failed (2: No such file or directory), client:, server: , request: "GET /7.5.1-23/web-apps/apps/spreadsheeteditor/main/[object%20HTMLCollection] HTTP/1.1", host: "", referrer: ""


 [2024-01-26T10:05:03.654] [ERROR] [localhost] [_9jzojvtO0jtn6PWUdz4Q0T1fv7_ogdLQzLkZwPfUAI_] [ed7c5e3f-3841-11ee-a73f-0242ac120002] nodeJS - error downloadFile:url=;attempt=1;code:ERR_TLS_CERT_ALTNAME_INVALID;connect:null Error [ERR_TLS_CERT_ALTNAME_INVALID]: Hostname/IP does not match certificate's altnames: Host: is not in the cert's altnames:
>     at new NodeError (internal/errors.js:322:7)
>     at Object.checkServerIdentity (tls.js:347:12)
>     at TLSSocket.onConnectSecure (_tls_wrap.js:1525:27)
>     at TLSSocket.emit (events.js:400:28)
>     at TLSSocket._finishInit (_tls_wrap.js:937:8)
>     at TLSWrap.ssl.onhandshakedone (_tls_wrap.js:709:12)

Is anyone here ?

Please note that this is not a chat and instant responses are not guaranteed. The issue is in the SSL certificate. Please obtain a certificate that is issued for the domain name of your portal. You can do that with Let’s Encrypt:

Ok Thank you for the answer.