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I'm trying to send some bitcoins using bitcoin-cli API, but bitcoin core tells me that Fallbackfee is disabled. How can I set a value for fallbackfee? I've tried to specify it like bitcoin-cli sendtoaddress -fallbackfee=someValue but it didn't work. I've also set true for substractfeefromamount and false for replaceable
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It seem like you tried to run fallbackfee in the terminal ? fallbackfee is a configuration option and should be put inside a bitcoin.conf file, if you dont have this file on your bitcoin directory you can create it: https://en.bitcoin.it/wiki/Running_Bitcoin#Bitcoin.conf_Configuration_File
Then add your fallbackfee=someValue (without the -) inside your bitcoin.conf file on a new line then restart your bitcoin client and try your command again.
