Solved Invalid snapshot tag

When I do a portsnap fetch update, I'm getting the following error :

How do I fix this issue?
Code:
Looking up portsnap.FreeBSD.org mirrors... 6 mirrors found.
Fetching snapshot tag from your-org.portsnap.freebsd.org... invalid snapshot tag.
Fetching snapshot tag from metapeer.portsnap.freebsd.org... invalid snapshot tag.
Fetching snapshot tag from ec2-eu-west-1.portsnap.freebsd.org... invalid snapshot tag.
Fetching snapshot tag from ec2-ap-northeast-1.portsnap.freebsd.org... invalid snapshot tag.
Fetching snapshot tag from ec2-sa-east-1.portsnap.freebsd.org... invalid snapshot tag.
Fetching snapshot tag from ec2-ap-southeast-2.portsnap.freebsd.org... invalid snapshot tag.
No mirrors remaining, giving up.
 
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