Google sites with GeoGebra Materials embedded - Invalid Gadget
Sometime last week I was contacted by teachers using our online GeoGebra courses for pupils. They alle told me, the gadgets embedded on the site wasn't working.
After looking into it, I found that a lot of my embedded files had stopped working while many others still worked. I can't figure out a pattern in the bugged ones.
Here are two examples from the same site.
First here is broken:
On this page of the site the embedded gadget works:
I've embedded them from their web address in Google Sites and they all worked until last week.
I can fix it by embedding them using the HTML code instead of the Google Sites code when sharing.