With the latest OSProcess package from SqS, when I save the image, I get: 2 May 2012 1:20:30 am VM: Mac OS - intel - 1073 - Croquet Closure Cog VM [CoInterpreter VMMaker-oscog-EstebanLorenzano.155] 21.0 Image: Pharo1.3 [Latest update: #13320] UndefinedObject(Object)>>doesNotUnderstand: #wait Receiver: nil Arguments and temporary variables: aMessage: wait exception: MessageNotUnderstood: receiver of "wait" is nil resumeValue: nil Receiver's instance variables: nil [[event wait. processSynchronizationDelay wait. self changed: #childProcessStatus] repeat. nil] in UnixOSProcessAccessor>>grimReaperProcess Receiver: a UnixOSProcessAccessor on pid 22740 Arguments and temporary variables: event: nil processSynchronizationDelay: a Delay(20 msecs) Receiver's instance variables: dependents: a DependentsArray(a UnixProcess with pid 22740) sessionIdentifier: #[104 195 160 79] canObtainSessionIdentifierFromPlugin: true hasTestEof: nil grimReaper: a Process in MorphicUIManager>>openDebuggerOn:context:label:content...etc... sigChldSemaphore: nil Weird... -- View this message in context: http://forum.world.st/OSProcess-error-in-1-3-tp4602389.html Sent from the Pharo Smalltalk mailing list archive at Nabble.com.