Discussions

As Danpost says, old Greenfoot scenarios used java.awt.Color. We've now moved to greenfoot.Color and added support for translation to Javascript, which means old scenarios won't run in newer Greenfoot, and won't run online, unless you can change the code to use greenfoot.Color. If you have old scenarios without source code, your two options are to run them locally in an old Greenfoot, or you might manage to decompile them and adjust the source. It's outside what we can help with, but if you search for Java decompiler, you can feed the JARs (available to download from us if you inspect HTML