Hello, I created a scenario and tried to share it but I got the following error message: ClassNotFoundException greenfoot.export.GreenfootScenarioViewer.class The entire set of error details is included below. The link to the scenario is: http://www.greenfoot.org/scenarios/10033 I searched for this error and foud that there had been an issue with the sharing back in April and May, and one of the recommendations was to move to the latest ( 2.3 ) release of the program. I installed fresh today and tried to update the scenario. When this did not work, I tried to delete the scenario and then resubmit it. I cleared my cache and restarted my computer, but I still receive the error. Is this a bug (I mean feature) or am I missing a step in the process for uploading a scenario from the Greenfoot program? I am using Windows 7 Professional. The entire error details message is: Java Plug-in 10.45.2.18 Using JRE version 1.7.0_45-b18 Java HotSpot(TM) Client VM User home directory = C:\Users\WYBRASR ---------------------------------------------------- c: clear console window f: finalize objects on finalization queue g: garbage collect h: display this help message l: dump classloader list m: print memory usage o: trigger logging q: hide console r: reload policy configuration s: dump system and deployment properties t: dump thread list v: dump thread stack x: clear classloader cache 0-5: set trace level to <n> ---------------------------------------------------- CacheEntry: updateAvailable=false,lastModified=Tue Nov 19 11:50:32 MST 2013,length=41499 CacheEntry: updateAvailable=false,lastModified=Wed Dec 31 17:00:00 MST 1969,length=-1 CacheEntry: updateAvailable=false,lastModified=Fri Aug 17 05:49:55 MDT 2012,length=143160