Can´t install Google Sheets

Hello,
I watch your video about integrations of Google sheets - https://www.youtube.com/watch?v=mg3_XEe9qSQ&list=PL0ICd6nDbkfbnhmzCjSHAwVtIAHpU5N1p and when I wanted to installed in Forms it doesn´t work. Still rounding and don´t finish.

Could you please help me with that?

Thx.

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