Errors/Chain errors
TooManyStakingHotkeys
A chain-side capacity limit was hit; reduce the size or count of the request
The coldkey already stakes through the maximum number of hotkeys, either its own cap or the smaller cap that third-party stake transfers may fill. Stake to a hotkey the coldkey already stakes through, or unstake from unused hotkeys first.
Declared by the SubtensorModule pallet; it classifies to the semantic code limit_exceeded.
Declared at pallets/subtensor/src/macros/errors.rs#L381.
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.