qmapshack wont start any more singe updates from 10.4.2021

qmapshack wont start any more with error messages since updates applied until 10th, April 2021.

$ qmapshack
2021-04-10 14:16:16.986 [warning] Empty filename passed to function
ERROR 11: CURL error: Failed to connect to published-files.eea.europa.eu port 80: Die Wartezeit für die Verbindung ist abgelaufen
2021-04-10 14:21:10.897 [warning] Empty filename passed to function
2021-04-10 14:21:11.021 [warning] Empty filename passed to function
ICE default IO error handler doing an exit(), pid = 147981, errno = 32

ProblemType: Bug
DistroRelease: Ubuntu 20.10
Package: qmapshack 1.15.0-1
ProcVersionSignature: Ubuntu 5.8.0-49.55-generic 5.8.18
Uname: Linux 5.8.0-49-generic x86_64
ApportVersion: 2.20.11-0ubuntu50.5
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: XFCE
Date: Sat Apr 10 14:23:55 2021
InstallationDate: Installed on 2011-10-19 (3460 days ago)
InstallationMedia: Xubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
SourcePackage: qmapshack
UpgradeStatus: Upgraded to groovy on 2019-04-27 (713 days ago)