Solana Block Rewards has confusing account selector

Basically, I am trying to get all the block rewards by account.
However, the error says that the account I am selecting by should be an int and not a String.

I’m not exactly sure what int I would put there, and suspect that this may be a bug,

Hey @musicslayer yes it’s a bug and we need to fix it. Please send us same at … so you will able to track progress of the ticket.

Created the ticket:

Thanks, we will sort it out