Setting up atftpd (0.7.git20210202-4+b1) ...
/var/lib/dpkg/info/atftpd.config: 3: /etc/default/atftpd: 69: not found
dpkg: error processing package atftpd (--configure):
 installed atftpd package post-installation script subprocess returned error exit status 127
Errors were encountered while processing:
 atftpd
E: Sub-process /usr/bin/dpkg returned an error code (1)