Errors/Chain errors
NetworkTxRateLimitExceeded
Wait for the rate-limit window to pass, then retry
The coldkey attempted register_network again before the network registration rate limit elapsed since its previous registration. Check the coldkey's last register-network block against the NetworkRateLimit storage value and wait the remaining blocks.
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 NetworkTxRateLimitExceeded.