Cycling through objects with Alt + Left Click doesn't work in MX Linux

[Discostu36]

Using JOSM on MX Linux, I can't cycle through different objects that are at the same location with Alt + Left Mouse Button.

Relative:URL: ^/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2019-11-01 23:59:01 +0100 (Fri, 01 Nov 2019)
Revision:15492
Build-Date:2019-11-01 22:59:57
URL:https://josm.openstreetmap.de/svn/trunk

Identification: JOSM/1.5 (15492 de) Linux MX 18.3 Continuum
Memory Usage: 698 MB / 1976 MB (261 MB allocated, but free)
Java version: 11.0.1+13-MX-2mx171, Oracle Corporation, OpenJDK 64-Bit Server VM
Screen: :0.0 1600x900
Maximum Screen Size: 1600x900
Java package: openjdk-11-jre:amd64-11.0.1+13-2~mx17+1
libcommons-logging-java: libcommons-logging-java:all-1.2-1
fonts-noto: fonts-noto:all-20161116-1
Dataset consistency test: No problems found

Plugins:
+ Mapillary (1.5.20)
+ OpeningHoursEditor (34977)
+ apache-commons (35092)
+ apache-http (34908)
+ buildings_tools (35171)
+ jaxb (35014)
+ jna (34908)
+ jogl (1.2.3)
+ kendzi3d (1.0.205)
+ kendzi3d-resources (0.0.2)
+ log4j (34908)
+ turnlanes (35204)

Tagging presets:
+ https://josm.openstreetmap.de/josmfile?page=Presets/ParkingLanes&zip=1

Map paint styles:
- https://raw.githubusercontent.com/yopaseopor/traffic_signs_style_JOSM/master/Styles_Traffic_signs_EUR.zip
- https://josm.openstreetmap.de/josmfile?page=Styles/Enhanced_Lane_and_Road_Attributes&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/ParkingLanes&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/LitObjects&zip=1

Last errors/warnings:
- W: Durchsuchen der Datei »site-josm.openstreetmap.de-_josmfile.txt« nach Erweiterungsinformationen ist fehlgeschlagen. Datei wird übersprungen.
- E: org.openstreetmap.josm.plugins.PluginListParseException: java.io.IOException: Ungültiger Eintrag in Erweiterungsliste. PK