Hello,
1 - Yes, it does not change my answer.
2 - Please read carefully the document.
Because the configuration that you posted cannot work for the third entry since you're using "Product..." and afterwards you enter a value for "Dynamic text" ; when you're using "Product..." you just need to put the name of the field you want to display.
As far as I can see regarding your screenshot, it did not work before.
3 - Please read my messages very carefully. Even text in parentheses.
And please do not put any setting under the "format" of QRCode ; all you need is to put the URL in the "type" column to specify your value of dynamic text
If you take a look at your screenshot you will see that you put text in a lot of inputs, even the wrong ones.
Instead of that incorrect content which would generate more issues than other thing ; you need to enter the real parameters for the QRCode.