Hier die Details der Fehlermeldung:
java.lang.ClassCastException: class org.eclipse.swt.widgets.Tree cannot be cast to class org.eclipse.swt.widgets.Table (org.eclipse.swt.widgets.Tree and org.eclipse.swt.widgets.Table are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @6dfa915a)
class org.eclipse.swt.widgets.Tree cannot be cast to class org.eclipse.swt.widgets.Table (org.eclipse.swt.widgets.Tree and org.eclipse.swt.widgets.Table are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @6dfa915a)
woec