CLI
$ ./src/bitcoin-cli -signet -rpcwallet="" sendtoaddress tb1qjcmjvaenagq40ly2fmluydlk97g8el403mprwj 1.23 "foo" "bar" null null null "unset" null 0.001
error code: -6
error message:
Fee rate (0.002 sat/vB) is lower than the minimum fee rate setting (1.000 sat/vB)
$ ./src/bitcoin-cli -signet -rpcwallet="" sendtoaddress tb1qjcmjvaenagq40ly2fmluydlk97g8el403mprwj 1.23 "foo" "bar" null null null "unset" null 1
6b122687d7f0716fc42109e05fdb992fe756223cc09a7420d6f1d5391f7be108
GUI console
sendtoaddress tb1qjcmjvaenagq40ly2fmluydlk97g8el403mprwj 1.23 "foo" "bar" false false false "unset" null 1
Cannot specify both conf_target and fee_rate. Please provide either a confirmation target in blocks for automatic fee estimation, or an explicit fee rate. (code -8)