I have a couple of problems:

1.- I changed the name of the workshop45, and then when I try to test it an error message saying: "Can't open workshop4_other.EURUSD.fac rt.2" appears. That file name doesn't appears anywhere in the workshop, and I don't understand why Zorro is searching for that file. What's that file?, how can I create it or whatever?

2.- Also, I'm trying to set the Capital variable in that same workshop, using just in the first line of run():

Capital= 1000;

But it doesn't seems to do nothing, and in the execution test it still says Capital 60$. What should I do to set the Capital for backtesting?

If you want to generate a .fac file, you must click the [Train] button. But read before about what training does and what for it is used. It's covered in workshop 5 and 6. In workshop 6 you can also see how the Capital parameter is used. If you encounter questions, just ask here. But wildly changing names and parameters will not work in a programming language.

Oh, so .fac files are generated while training, ok, understood!

Regarding Capital variable, you're right, I jumped directly trying to change it, my bad! I'll study workshop6 and then lets see. As a side note, I'm an experienced C programmer, but a beginner in algorithmic trading. Sometimes I think that I know more than I really know and I try to walk over importante steps... This is a lesson to learn for me (again); I have to read everything before ask!

Thanks for your help and for the prompt response