Plugin Catalogue Not Loading

[PeterRob]

[*]The version of Jellyfin you are running (e.g. 10.8.10): 10.9.7

[*]Your installation method and platform (e.g. Linux Docker, Debian repository, Windows installer, etc.): Ubuntu apt repository

Ubuntu 24.04, armhf

Plugin catalogues do not load and an exception is shown in the log file.

System time is synchronised

Code:

[2024-06-25 01:29:00.967 +00:00] [ERR] An error occurred while accessing the plugin manifest: "https://repo.jellyfin.org/files/plugin-unstable/manifest.json"
System.Net.Http.HttpRequestException: The SSL connection could not be established, see inner exception.
---> System.Security.Authentication.AuthenticationException: The remote certificate is invalid because of errors in the certificate chain: NotTimeValid
  at System.Net.Security.SslStream.SendAuthResetSignal(ReadOnlySpan`1 alert, ExceptionDispatchInfo exception)
  at System.Net.Security.SslStream.CompleteHandshake(SslAuthenticationOptions sslAuthenticationOptions)
  at System.Net.Security.SslStream.ForceAuthenticationAsync[TIOAdapter](Boolean receiveFirst, Byte[] reAuthenticationData, CancellationToken cancellationToken)
  at System.Net.Http.ConnectHelper.EstablishSslConnectionAsync(SslClientAuthenticationOptions sslOptions, HttpRequestMessage request, Boolean async, Stream stream, CancellationToken cancellationToken)
  --- End of inner exception stack trace ---