Spoiler Shortcode NOT working

Hi guys,

I tried to use Tabs like here: https://getshortcodes.com/shortcodes/spoiler/

But I just get this function like here:

[ redundant link removed ]

I can’t click toggles

What is my fault?

Thank you so much…

• This topic was modified 7 years, 5 months ago by Jan Dembowski.
• This topic was modified 7 years, 5 months ago by Jan Dembowski.

The page I need help with: [log in to see the link]