Errors/Chain errors
NotAllowed
Sign with the key or origin that owns the target object, then retry
Contract deployment was blocked because the source address is not in the WhitelistedCreators list while the whitelist check is enabled. Check the deployer address against WhitelistedCreators and the DisableWhitelistCheck storage value.
Declared by the EVM pallet; it classifies to the semantic code not_authorized.
Remediation
Sign with the key or origin that owns the target object, then retry
The same explanation is available in the terminal: btcli explain NotAllowed.