Solved
I have installed classic 5 on my macbook air and when i want to include a picture on my worksheet it crashes directly.
Why is it happen?
I've tried to use Classic 6 but the tikz export function seems unstable. So i'm stuck with ver 5.
Any solution to this annoying problem?
The same problem 
Sorry, we don't have an idea at the moment
How is the TiKZ export in the online version? Let us know what needs improving
https://www.geogebra.org/classic/
Please try the new version
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