TooManyStakingHotkeys

A chain-side capacity limit was hit; reduce the size or count of the request

The destination coldkey already stakes through the maximum number of hotkeys that third-party stake transfers may add to it. Transfer to a hotkey the destination already stakes through, or let the destination stake to the new hotkey itself.

Declared by the SubtensorModule pallet; it classifies to the semantic code limit_exceeded.

Declared at pallets/subtensor/src/macros/errors.rs#L401.

Remediation

A chain-side capacity limit was hit; reduce the size or count of the request

The same explanation is available in the terminal: btcli explain TooManyStakingHotkeys.