Discover returns an error during latest update

I get an error right now, during the latest update in Neon Testing Edition. This is the error returned:

E: jammy-updates/main i386 Packages is not (yet) available (Il file ha una dimensione non attesa (19812 != 15204). Sincronizzazione del mirror in corso? [IP: 2620:2d:4000:1::2b 80]
Hashes of expected file:

  • Filesize:15204 [weak]
  • SHA512:28c923dc7f422aeb19f4825e1ce5ab57874b0135113ee80638afef6e8b654e7124877fcd3f3f50c94cb3cbfcb7a4ee9606bfb814e4fc3ae15e2bbb01f7d44b09
  • SHA256:637f0e1a87668a0d7d8691740eab5c013bb4547d5982de10839edd1600f97dad
  • SHA1:34b990bfa8ce9cdfa74565898cb1b7d3f34929b8 [weak]
  • MD5Sum:b6c9b0162fa144b6077cef02e7269ee5 [weak]
    Release file created at: Wed, 24 May 2023 15:46:51 +0000
    E: jammy-updates/main amd64 Packages is not (yet) available ()

    Can anybody give me some hint?