[Pkg-sympa-devel] sympa password

[Nalah]

Hi,
i have a problem with installation of sympa 6.2.16~dfsg-3 on debian 9 :
apt install sympa
...
creating database sympa: success.
verifying database sympa exists: success.
dbconfig-common: flushing administrative password
sed: -e expression #1, char 98: invalid reference \9 on `s' command's RHS
dpkg: error processing package sympa (--configure):
 subprocess installed post-installation script returned error exit status 1
Processing triggers for libc-bin (2.24-11+deb9u1) ...
Processing triggers for systemd (232-25+deb9u1) ...
...
password is generate with pwgen 10 1 -sBy
with pwgen 10 1 -sB no problem
Thanks