[Pharo-users] ZnInvalidUTF8: Illegal leading byte for utf-8 encoding while running Elegant Code image conversion example

Hi, Today I was an introduction to Pharo. As usual, I asked the learner to taste the environment and syntax by running the examples in excellent Sven's Elegant Code[1] (BTW, can I translate snips of  it to Spanish?). When she was adapting the example 6 about converting JPGs to PNGs, we get the error reported in this mail's subject. I tried running her example in my machine with her images and with my own and still I got the same error. What are we missing? [1] https://medium.com/concerning-pharo/elegant-pharo-code-bb590f0856d0 We are using Pharo 8.x on Manjaro Gnu/Linux 64 bits. Thanks, Offray