About Repository

Hi guys, i've been trying to install PostgreSQL from repository for two
days and found the following persistent error:

*Get:7 http://apt.postgresql.org/pub/repos/apt
<http://apt.postgresql.org/pub/repos/apt> buster-pgdg/main amd64 Packages
[204 kB]Err:7 http://apt.postgresql.org/pub/repos/apt
<http://apt.postgresql.org/pub/repos/apt> buster-pgdg/main amd64 Packages
File has unexpected size (203163 != 203575). Mirror sync in progress? [IP:
72.32.157.246 80] Hashes of expected file: - Filesize:203575 [weak] -
SHA256:65a862a3af4340330573e703e86f703a08dfacc242c9028a0eebe8caf070fc06 -
SHA1:0702c6348b93a86180cba9cb20c33f2181ee05ac [weak] -
MD5Sum:a15e64edf54cdd09518b92bb369d9ce4 [weak] Release file created at:
Thu, 08 Oct 2020 22:04:36 +0000Fetched 290 kB in 1s (250 kB/s)Reading
package lists... DoneE: Failed to fetch
http://apt.postgresql.org/pub/repos/apt/dists/buster-pgdg/main/binary-amd64/Packages.bz2
<http://apt.postgresql.org/pub/repos/apt/dists/buster-pgdg/main/binary-amd64/Packages.bz2>
File has unexpected size (203163 != 203575). Mirror sync in progress? [IP:
72.32.157.246 80] Hashes of expected file: - Filesize:203575 [weak]
- SHA256:65a862a3af4340330573e703e86f703a08dfacc242c9028a0eebe8caf070fc06
- SHA1:0702c6348b93a86180cba9cb20c33f2181ee05ac [weak] -
MD5Sum:a15e64edf54cdd09518b92bb369d9ce4 [weak] Release file created at:
Thu, 08 Oct 2020 22:04:36 +0000E: Some index files failed to download. They
have been ignored, or old ones used instead.*

I need to know if the problem is in my network or the repo itself is faulty,

Regards

Ed Garcia