Hello, When the following command is launched :
./pharolauncher/pharo-launcher we can see this warning : http://ramix.org/pharo/version-8.0/InstanceVariableNotFound.png Nota Bene : my laptop in running under Linux Mint 18.3 _Sylvia_ - Release amd64 20171124]/ xenial contrib main non-free -- Thanks for your help. Rene Paul Mages ( GnuPG_key 0x9840A6F7 ) http://www.pharo.fr http://www.linux-azur.org/ramix http://twitter.com/RenePaulMages