http://code.google.com/p/pharo/issues/detail?id=1767&sort=-id&colspec=ID%20T... Pharo image: Pharo-core Pharo core version: PharoCore1.1ALPHA Latest update: #11146 Virtual machine used: Squeak 4.2.2beta1U | Cocoa Squeak 5.0.0b9 64*32 Steps to reproduce: 1. Open method finder 2. Type 'drawn: in:' (note there's an space between both keywords). 3. Hit <enter> :p Could be somewhat related to #1098 (see http://code.google.com/p/pharo/issues/detail? id=1098) But imo stack traces differ. Francisco