package sympa 6.1.24~dfsg-1 failed to install/upgrade: η υποδιεργασία installed pre-removal script επέστρεψε κατάσταση λάθους 1

[Paul]

Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/^\d{ <-- HERE ,16}$/ at /usr/share/sympa/lib/SympaSession.pm line 126.
info Configuration file read, default log level 0
err SQLSource::connect() Can't connect to Database DBI:Pg:dbname=sympa;host=localhost as sympa
err List::check_db_connect() Failed to connect to database
notice SQLSource::create_db() Trying to create sympa database...
err SQLSource::create_db() Cannot create Pg DB
info List::get_user_db() Sympa not setup to use DBI
Database sympa defined in sympa.conf has not the right structure or is unreachable. verify db_xxx parameters in sympa.conf
dpkg: error processing package sympa (--configure):
sympa
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: sympa 6.1.24~dfsg-1
ProcVersionSignature: Ubuntu 4.15.0-23.25~16.04.1-lowlatency 4.15.18
Uname: Linux 4.15.0-23-lowlatency i686
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: i386
Date: Mon Jun 4 03:55:42 2018
ErrorMessage: η υποδιεργασία installed pre-removal script επέστρεψε κατάσταση λάθους 1
InstallationDate: Installed on 2017-04-14 (415 days ago)
InstallationMedia: Ubuntu 14.04.5 LTS "Trusty Tahr" - Release i386 (20160803)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.4
 apt 1.2.26
SourcePackage: sympa
Title: package sympa 6.1.24~dfsg-1 failed to install/upgrade: η υποδιεργασία installed pre-removal script επέστρεψε κατάσταση λάθους 1
UpgradeStatus: Upgraded to xenial on 2017-05-25 (374 days ago)