I'd like to send bitcoin from the specific address to a address using bitcoin api. I used 'sendfrom' as follows. Each address "mqXhhivMPjeVvdVMR239EVDJiRGQUYcbDZ" and "mknGW629wzSkfWvgXF23d8eTrqibnhTcrf" has bitcoin more than 0.002btc, however it returned the "insufficient funds" error. Could you tell me how to send from the specific address?
bitcoin-cli sendfrom mqXhhivMPjeVvdVMR239EVDJiRGQUYcbDZ mknGW629wzSkfWvgXF23d8eTrqibnhTcrf 0.002
Account has insufficient funds