Errors/Chain errors
TxChildkeyTakeRateLimitExceeded
Wait for the rate-limit window to pass, then retry
set_childkey_take was called again for the hotkey on this subnet before its rate-limit window elapsed. Check the block of the last childkey-take change against TxChildkeyTakeRateLimit and wait out the remainder.
Declared by the SubtensorModule pallet; it classifies to the semantic code rate_limited.
Remediation
Wait for the rate-limit window to pass, then retry
The same explanation is available in the terminal: btcli explain TxChildkeyTakeRateLimitExceeded.