Errors/Chain errors
StartCallNotReady
The required window has not opened yet; wait some blocks and retry
start_call was made before StartCallDelay blocks elapsed since the subnet was registered. Compare the current block against NetworkRegisteredAt for the netuid plus StartCallDelay, and wait for the remainder.
Declared by the SubtensorModule pallet; it classifies to the semantic code too_early.
Remediation
The required window has not opened yet; wait some blocks and retry
The same explanation is available in the terminal: btcli explain StartCallNotReady.