Hi, Version: Pharo 7.0 OS: Windows 8. Which is the best way to get any error description when the Pharo image crash ? PharoDebug.log - does not have any information stderr - does not have any information Stoping the execution is not working ("Control" + "-") https://stackoverflow.com/questions/24788115/if-my-pharo-image-goes-into-an-... The problem is a "self call: WAMyComponent new". ComponentA call ComponentB, then ComponentB call ComponentC, and last (here is the problem) ComponentC call ComponentA again. Is not an infinite loop because this cycle goes only one (well not even one because the last call crash the image). WASession allInstances size. "answer 6" WACache allInstances size. "answer 0" Maybe there is an issue in the call sequence with Seaside but this should not crash the image. Researching on this right now ... regards, bruno -- Sent from: http://forum.world.st/Pharo-Smalltalk-Users-f1310670.html