thanks for your suggestions!
1. This is what it gave out:
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by javax.media.j3d.JoglPipeline (file:/Applications/Sweet%20Home%203D.app/Contents/app/j3dcore.jar) to method sun.awt.AppContext.getAppContext()
WARNING: Please consider reporting this to the maintainers of javax.media.j3d.JoglPipeline
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
DynamicPluginLoader: plugin.classpath property not set
java.lang.NullPointerException: Cannot read field "parent" because "comp" is null
at java.desktop/java.awt.Container.addImpl(Container.java:1117)
at java.desktop/java.awt.Container.add(Container.java:997)
at ro.dorin.plugins.generateroof.UIpanel.<init>(UIpanel.java:42)
at ro.dorin.plugins.generateroof.GenerateRoofPlugin.generateRoof(GenerateRoofPlugin.java:355)
at ro.dorin.plugins.generateroof.GenerateRoofPlugin.generateNewRoof(GenerateRoofPlugin.java:283)
at ro.dorin.plugins.generateroof.GenerateRoofAction.execute(GenerateRoofAction.java:89)
at it.ld.sh3d.devtoolkit.DynamicAction.execute(DynamicAction.java:62)
at com.eteks.sweethome3d.swing.HomePane$ActionAdapter.actionPerformed(Unknown Source)
at com.eteks.sweethome3d.swing.ResourceAction$AbstractDecoratedAction.actionPerformed(Unknown Source)
at java.desktop/javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1967)
at java.desktop/javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2308)
at java.desktop/javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:405)
at java.desktop/javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:262)
at java.desktop/javax.swing.AbstractButton.doClick(AbstractButton.java:369)
at java.desktop/com.apple.laf.ScreenMenuItem.actionPerformed(ScreenMenuItem.java:129)
at java.desktop/java.awt.MenuItem.processActionEvent(MenuItem.java:690)
at java.desktop/java.awt.MenuItem.processEvent(MenuItem.java:649)
at java.desktop/java.awt.MenuComponent.dispatchEventImpl(MenuComponent.java:375)
at java.desktop/java.awt.MenuComponent.dispatchEvent(MenuComponent.java:363)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:775)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:715)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:391)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:95)
at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:745)
at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:743)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:391)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:742)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)
--> that's now with Version 7.5, not the latest version from App Store
2. with the latest version from App Store still it didn't work, but with the software version 7.5 + generate Roof 5.1 it is now working
thank you!
