Stuck here-500 OOPS: vsftpd: cannot locate user specified in 'ftp_username':ftp

Can anyone please help
In 2nd milestone
changed .conf file tried both ftp_username by username & without username…while connection to QBox server…
still getting same error

just follow the instruction do not add anything from any other irrelevant source do it again you will get it done

did u sort out your problem I am also getting the same error, if yes kindly guide me too.

check your .conf file and check your current directory

Hey I have done the specified changes and checked directory as well, but than also I am getting the same error