GasPriceTooLow

The offered fee cannot satisfy the current base fee: max_fee_per_gas is below the block base fee, the priority fee exceeds the max fee, or the fee inputs are inconsistent. Check max_fee_per_gas and max_priority_fee_per_gas against the chain's base fee.

Declared by the EVM pallet; it classifies to the semantic code invalid_argument.

Remediation

Check the argument values against the operation schema

The same explanation is available in the terminal: btcli explain GasPriceTooLow.