The issue is, that some brushes make such a dotted line, when I want a bigger size. Not sure how to fix it and have not found any similar question eventho I assume it has been probably been a topic already. I am using Krita 5.2.9
I tried the BBB bundle… More than half of them don’t work properly. Like @Michelist said, there’s a missing brush tip problem. And looking at the bundle’s comments, it seems to be a known problem?
I don’t have that brush set, so I don’t know if something is missing, but in your screenshot the brush tip is set to Auto. This means it is using a simple filled circle. If you like a texture there, select Predefined and choose a texture you like.
And if you scroll down on the left side of the brush settings, then you find a Texture part. In that one you can activate Pattern and choose another additional texture.