Error system.perspective.openPopup

I did 'system.perspective.openPopup' in the script.
But the screen appears like this.

original view:

run screen:

How can I solve this?
Thanks for your help.

Your syntaxe is correct. I can't see error.

Where are you testing it ?
Can you refresh your page ?

When using international characters within jython string constants, use the u"something" syntax. That u prefix tells jython to expect unicode characters.

Thanks for your help.