How to fix error Metadata file does not match checksum on Oracle Linux 6.3

I was trying to install a package on my Oracle Linux 6.3. The system is updating the repository but at the end of the process I got the following process: Metadata file does not match checksum. Trying another mirror. But as a result, I cannot continue to install any packages.

 

metadata error

I’ve tried to fix it using command

yum clean metadata

But this problem exist. How can I fix this??