No problem my friend.
I love to see success and you have been successful.
Now, looking at the size of that seedling I can tell you it would be hard to graft via parafilm without cutting it to 1/3 the size it currently is. Parafilm grafting of very tiny seedlings really does best when the height = the width or at least comes close to that.
So, my guess is that if your scion was that big previously... that might have been part of your issue. It is another reason I try to grow my seedlings in full sun. They grow thicker and shorter rather than long and etiolated which makes it easier to graft via parafilm. The long thin etiolated seedlings... without a lot of chopping just don't make great parafilm candidates.
When I graft you graft we graft