Claim Spark on paper wallets?

I had a few empty paper wallets (balance 20 XRP ea) at the snapshot.
Flare-tools explorer shows they are eligible to claim spark …
“**is XRP account is eligible to claim spark, however it does not have a valid Flare Address
Is this correct… I was told paper wallets were not included? If so,any idea how I can claim?
Thx, Jack