https://pharo.fogbugz.com/f/cases/17653/GTSpecPreDebugWindow-initializeStackPane-GTSUnitDebugger-MNU-reciever-of-paneNamed-is-nil
-----Original Message----- From: Pharo-dev [mailto:pharo-dev-boun...@lists.pharo.org] On Behalf Of Ben Coman Sent: Friday, February 19, 2016 6:52 PM To: Pharo Development List <pharo-dev@lists.pharo.org> Subject: [Pharo-dev] GTSUnitDebugger MNU receiver of "paneNamed:" is nil I'll follow up logged an issue soon, but just a quick note while I'm in the flow on something else... 1. Pick an existing test method e.g. AST-Tests-Core > NumberParserTest > testFail 2. Insert an error like 1/0. 3. Run test from System Browser by clicking on the method's circular icon 4. Click on top of stack "SmallInteger /" --> MessageNotUnderstood: receiver of "paneNamed:" is nil At step 3, instead clicking <Debug> works okay. cheers -ben