Unable to renew Community edition license pl help

Hi
I’m unable to renew community edition license

Getting following error

Activation failed with error: -4304
Error description: Error connecting to activation server. Please use offline activation.
License status: Undetermined

pl help me out…

tried even the link but still gettting the error

Hi @sai36.jntu,
Please check the link

Regards
Balamurugan