$ projectlibre 
Starting projectlibre version 1.9.1 ...
with options :
opts:
ProjectLibre Version: 1.9.1 local version 1.9.1 updated=false java version=25.0.3
Exception in thread "main" java.lang.UnsupportedOperationException: Setting a Security Manager is not supported
	at java.base/java.lang.System.setSecurityManager(System.java:304)
	at com.projectlibre1.pm.graphic.frames.StartupFactory.instanceFromNewSession(Unknown Source)
	at com.projectlibre1.pm.graphic.gantt.Main.main(Unknown Source)
	at com.projectlibre1.main.Main.main(Unknown Source)