[19.06.2019 18:06:06] SEVERE: Jun 19, 2019 6:06:06 PM de.dytanic.cloudnet.lib.scheduler.TaskScheduler$Worker execute
SCHWERWIEGEND: Error on handling Task on Thread [TaskScheduler-Group-3761575040322705805#7714]
java.lang.NullPointerException
        at cloud.waldiekiste.java.projekte.cloudnet.webinterface.listener.ScreenSessionEvent.lambda$onCall$0(ScreenSessionEvent.java:25)
        at java.util.ArrayList.forEach(ArrayList.java:1257)
        at cloud.waldiekiste.java.projekte.cloudnet.webinterface.listener.ScreenSessionEvent.onCall(ScreenSessionEvent.java:24)
        at cloud.waldiekiste.java.projekte.cloudnet.webinterface.listener.ScreenSessionEvent.onCall(ScreenSessionEvent.java:16)
        at de.dytanic.cloudnet.event.EventManager.lambda$callEvent$0(EventManager.java:100)
        at de.dytanic.cloudnet.lib.scheduler.TaskScheduler$VoidTaskEntry$1.call(TaskScheduler.java:722)
        at de.dytanic.cloudnet.lib.scheduler.TaskScheduler$VoidTaskEntry$1.call(TaskScheduler.java:715)
        at de.dytanic.cloudnet.lib.scheduler.TaskEntry.invoke(TaskEntry.java:39)
        at de.dytanic.cloudnet.lib.scheduler.TaskScheduler$Worker.execute(TaskScheduler.java:646)
        at de.dytanic.cloudnet.lib.scheduler.TaskScheduler$Worker.run(TaskScheduler.java:606)