Solved! See the solution for FUEL migration issues here: https://github.com/theseion/Fuel/issues/289#issuecomment-1896454432 CheersDavide On Monday, January 15, 2024 at 07:48:47 PM GMT+1, Davide Varvello via Pharo-users <pharo-users@lists.pharo.org> wrote: Hi Guys,How can I migrate from Fuel version 3.0.2 to the latest one? This: https://theseion.github.io/Fuel/format-migration/  seems osbolete TIA Davide