[CentOS] yum checksum for updates fails

Hello, this is my first time sending to this list. I tried to found the 
most appropriate place to ask my question, and the most matching list 
was this. I hope not to be off-topic.

Today, I tried to make a yum update to my centos machines, and I got an 
error for the updates channel.

The error was: Metadata file does not match checksum

Is there an issue on this?