wallet_account_retract fails

[xeroc]

tmp (unlocked) >>> wallet_account_retract c.delegate.charity payouts.charity

20032 key_already_registered: key belongs to other account
Key already belongs to another account!
    {"new_public_key":"BTS1111111111111111111111111111111114T1Anm"}
    th_a  transaction_builder.cpp:150 update_account_registration

    {"account_to_retract":"c.delegate.charity","pay_from_account":"payouts.charity","sign":true}
    th_a  wallet.cpp:3397 retract_account

owner keys for *.charity installed ...
that pubkey is already registered for "bitfan" ...
seems only one account can be retracted ... on the whole blockchain