While doing a File restore for an instance using a public subnet it can cause the below error RulesPerSecurityGroupLimitExceeded :The maximum number of rules per security group has been reached.

The VPC limit for rules per security group for a region has been exceeded on the AWS side in that region. It defaults to 60.

Contact AWS for increasing the VPC limits of that region, via the Service Quotas service.
​https://docs.aws.amazon.com/vpc/latest/userguide/amazon-vpc-limits.html
Or initiate a restore of an instance using a private subnet.